SCIENCE INSTITUTE
SCHOLARSHIP EXAMINATION
FOR 10
th
STANDARD STUDENTS FEBRUARY - 2017
1.
Easy questions should be answerd first. Questions which are needed more time to answer should be attented
considering the alloted time for the examination. Wrong answers carry minus mark. (
Xmc-X-tay\ Ffp-¸-apÅ tNmZy-§Ä
BZyw D¯-c-sa-gp-Xm³ {i²n-¡p-I.
IqSp-X ka-b-sa-Sp¯v sNt¿-tXm {]bm-k-ta-dn-b-tXm Bb tNmZy-§Ä Ah-
km-\-L-«-¯n-te¡v amän-sh¨v ka-b-_-Ôn-X-ambn ]co-£-sb-gp-Xp-hm³ {ian-¡p-I. sXämb D¯-c-¯n\v s\Käohv amÀ¡v
hcp-¶-Xm-Wv.)
2. When you bubble the answer ensure the questions number both in the question paper and in the OMR sheet are the
same .
(OMR
se Ipanf Idp-¸n-¡p-t¼mÄ tNmZy-t]-¸-dnse tNmZy \¼dpw
OMR
se \¼dpw H¶v Xs¶-bm-sW¶v Dd¸v
hcp-¯p-I).
3. The question booklet will be sealed at the middle of the right margin. candidates shoud not open the question booklet until
the long bell is rung at 11.00 am to start answering.
(11.00
am
\v
Long Bell
tI«-Xn\v tijw am{Xta
Question paper seal
s]m«n¡m³ ]mSp-Åq)
4.
Write your name and roll number in the specific column given under the first page of question paper
(\n§-fpsS t]cpw tdmÄ
\¼dpw Xmsg AXn-\mbn X¶n-«pÅ Øe¯v FgpXpI).
5.
White paper, Logarithm Table, Slide ruler, Calculator, Mobile Phone & other Electronic devices etc.. will not be allowed to
bring in the examination hall
( t]¸À, temK-cn-Xw tS_nÄ, ssÉUv dqfÀ, Im¡p-te-äÀ, samss_ t^m¬, Ce-Ivt{Sm-
WnIvkv kwhn-[m-\-§-fpsS aäp cq]-§Ä F¶nh ]co£m lmfn A\p-h-Z-\o-b-a-Ã).
6.
Each correct answer carries 4 marks. 1 mark will be deducted for each wrong answer
(
CXn Hmtcm icn-bp-¯-c-¯n\pw
4 amÀ¡v Bbn-cn-¡pw. Hmtcm sXämb D¯-c-¯n\pw 1 amÀ¡v (
negative mark )
hoXw Ipd-bv¡p-¶-Xm-Wv)
7.
Mark for unattended questions will be zero
( D¯-c-sa-gp-Xm¯ Hmtcm tNmZy-¯n\pw 0 (]q-Pyw) amÀ¡v Bbn-cn-¡pw).
8
Each question is provided with 5 choices (A) (B) (C) (D) & (E) having one correct answer.
(
FÃm tNmZy-§Ä¡pw
(A) (B) (C)
(D) (E)
F¶n-§s\ 5 D¯-c-§Ä sImSp¯n-cn-¡pw. Ch-bn H¶p am{X-amWv icn-bmb D¯cw).
VERSION CODE
SUBJECTS
A
P C M B
hnZymÀ°n-IÄ¡pÅ \nÀt±-i-§Ä
INSTRUCTIONS TO THE STUDENTS
Name:......................................................................................... Roll No.
OMR
joänse CS-Xp-`mKw ]qcn-¸n-t¡ hn[w:
METHOD OF FILLING THE LEFT HAND SIDE OF THE OMR
1.
VERSION CODE: Version code is given on the top of the right side of the question paper. Darken the bubbles corresponding
to the version code
(VERSION CODE:
Cu t]Pnsâ apI-fn he-Xp-`m-K¯v sImSp¯
Version code
s\ kqNn-¸n-¡p¶
Ipanf Idp-¸n-¡p-I).
2.
ROLL NUMBER: Write your roll number in the specific column and darken the corresponding bubbles (ROLL NUMBER:
\n§-fpsS tdmÄ \¼À tImf-¯n Fgp-Xp-Ibpw, XmsgbpÅ Ipan-f-IÄ AXn-\-\p-k-cn¨v Idp-¸n-¡p-Ibpw sN¿p-I).
3.
DATE:
Xn¿Xn
2 6 0 2 1 7
4.
SUBJECT CODE: Darken the bubbles corresponding to the subject code PCMB
(SUBJECT CODE: PCMB F¶v ap{ZWw sNbvX-Xn\v t\sc-bpÅ Ipanf Idp-¸n-¡p-I).
No. of total questions: 80 Maximum Marks : 320 Time : 2.00 Hours
Science Institute Manjeri : 0483 2768340 / Perinthalmanna : 04933 223221
VERSION : A
SUBJECT CODE : PCMB
1
Space for rough work
1. The study of the waves which causes the
earth quakes and artificial explosions
[a] Hydrology
[b] Seismology
[c] Electronics
[d] Bio physiscs
[e] Astro physiscs
2. The main constitiuent of biogas is
[a] Propane [b] Butane
[c] Methane [d] Etahne
[e] None of these
3. The speed of sound in is 340 m/s . What is
the frequency of sound with wave length
34m ?
[a] 10Hz [b] 34Hz
[c] 1 Hz [d] 40Hz
[e] 24 Hz
4. A current of 2A flows through a resister of
resistance
200
for 5 minutes . How much
is the heat generated ?
[a] 24000J [b] 240J
[c] 2400J [d] 4200J
[e] 1200J
5. What is the volatge between two phase
lines in star connection ?
[a] 400V [b] 230V
[c] 120V [d] 200V
[e] 430V
1. `qI¼ Xcw-K-§sf Ipdn¨pw Ir{Xna
kvt^mS-\-§-fp-m-¡p¶ Xcw-K-§-
sf-¡p-dn-¨p-apÅ ]T-\-amW
[a] sslt{Um-fPn [b] knkvtam-fPn
[c] Ce-Ivt{Sm-WnIvkv [d] _tbm-^n-knIvkv
[e] Atk-ym-^n-knIvkv
2 _tbm-K-ym-kn-e-S-§nb {][m\LSIw
[a] s{]s¸-bn³ [b] _yq-sSbv³
[c] aosY-bn³ [d] CusY-bn³
[e] s{]¸n-en³
3. hmbp-hn i_vZ-¯nsâ thKw 340 m/s
BWv. 34m XcwK ssZÀL-y-apÅ i_vZ-
¯nsâ Bhr¯n F{X?
[a] 10Hz [b] 34Hz
[c] 1 Hz [d] 40Hz
[e] 24 Hz
4.
200
{]Xn-tcm-[-apÅ Hcp Nme-I-¯n-
eqsS 2A sshZ-ypXn 5 an\näv {]h-ln-¨mÂ
DXv]m-Zn-¸n-¡-s¸-Sp¶ Xm]w F{X?
[a] 24000J [b] 240J
[c] 2400J [d] 4200J
[e] 1200J
5. ÌmÀ IW-£-\n cp t^kv
sse\p-Iġn-S-bnse thmīX
F{X?
[a] 400V [b] 230V
[c] 120V [d] 200V
[e] 430V
VERSION : A
SUBJECT CODE : PCMB
2
Space for rough work
6. The odd one is ..................?
[a] Cyan [b] Green
[c] Yellow [d] Megenta
[e] None of these
7. The input voltage of a transformer is
240V AC. There are 80 tunes in secondary
coil and 800 turns in primary. Find the
output volatge of the transformer ?
[a] 240V [b] 120V
[c] 80V [d] 60V
[e] 24V
8. The monomer used in the production of
the polymer which is used as a coating of
non- stick cook ware is
[a] Vinyl chloride
[b] Vinyl fluoride
[c] Tetraflouro ethane
[d] Tetra flouro ethene
[e] Tetrachloroethene
9. The mineral with the formula
2 3
Al O
2
2
SiO
.
2
2
H O
is
[a] Cryolite [b] Bauxite
[c] Dolomite [d] Clay
[e] Silica
10. The ore which is concentrated by froth
floatation process is
[a] Calamine [b] Cuprite
[c] Zinc blende [d] Bauxite
[e] Haematite
6. Iq«-¯n s]Sm-¯Xv GXv?
[a] kb³ [b]]¨
[c] aª [d] aP´
[e] CsXm-¶p-aÃ
7. 240VC³]p«v thmÄt«-Pn {]hÀ¯n-¡p¶
Hcp {Sm³kvt^m-sa-dnsâ sk¡ân 80 Npäp-
Ifpw ss{]a-dn-bn 800 Npäp-Ifpw Dv.
Cu {Sm³kvt^m-sa-dnâ Hu«v]p«v thmÄ«X
F{X?
[a] 240V [b] 120V
[c] 80V [d] 60V
[e] 24V
8. t\m¬ÌnIv Ip¡v shb-dnsâ AI-hiw
Bh-cWw sN¿p¶Xn\v D]-tbm-Kn-¡p¶
t]mfn-sa-dnsâ D¸m-Z-\-¯n\v D]-tbm-Kn-
¡p¶ tamtWm-saÀ
[a] hnss\Â ^vfqssdUv
[b] hnss\Â ^vfqssdUv
[c] sSt{Sm ^vfqtdm CusXbv³
[d] sSt{Sm ^vfqtdm CuXo³
[e] sSt{Sm t¢mtdm CuXo³
9.
2 3
Al O
2
2
SiO
.
2
2
H O
F¶ cmk-hm-I-y-
apÅ [mXp
[a] {Itbm-sseäv [b] t_mIvsskäv
[c] tUmf-ssaäv [d] Ifn-a®v
[e] knen¡
10. ¹h\ {]{Inb D]tbmKn¨v km{µWw
sN¿p¶ Abn-cmWv ............
[a] Iem-an³ [b] Ipss{]äv
[c] kn¦v s»³Uv [d] t_mIvsskäv
[e] tla-ssääv
Science Institute Manjeri : 0483 2768340 / Perinthalmanna : 04933 223221
VERSION : A
SUBJECT CODE : PCMB
3
Space for rough work
11. Atoms of elements that are in the same
group have the same number of
[a] Protons
[b] Electrons
[c] Neutrons
[d] Protons and Neutrons
[e] Valence electrons
12. 4-Acetamido phenol is a medicine that
comes under
[a] Antipyretics
[b] Antacid
[c] Antiseptic
[d] Antibiotics
[e] None of these
13. A carboxylic acid with molecular formula
C
2
H
4
O
2
reacts with an alcohol with the
molicular formula C
3
H
8
O to form a
compound A. The molecular formula of A will
be
[a] C
3
H
6
O
2
[b] C
3
H
6
O
[c] C
4
H
8
O
2
[d] C
5
H
10
O
2
[e] C
5
H
12
O
3
14. When di nitrogen tetroxide is heated, a
brown coloured gas is formed. The gas is
[a] NO [b] N
2
O
[c] N
2
O
3
[d] NO
2
[e] N
2
11. Htc {Kq¸n-epÅ aqe-I-§-fpsS Bä-
§Ä¡v Htc F®w …………………
Dm-bn-cn-¡pw.?
[a] t{]mt«m-Wp-IÄ
[b] CeIvt{Sm-Wp-IÄ
[c] \yq-t{Sm-Wp-IÄ
[d] t{]mt«m-Wp-Ifpw \yq-t«m-Wp-Ifpw
[e] kwtbm-PI CeIvt{SmWp-IÄ
12. 4- Ak-äm-an-tUm-^o-t\mÄ F¶ Huj[w GXv
hn`m-K-¯nÂs]- Sp¶p?
[a]Bân-ss]-sd-än-¡p-IÄ [b] Bâm-knUv
[c]Bân sk]vänIv
[d] Bân-_-tbm-«n-¡p-IÄ
[e] Ch-sbm-¶p-aÃ
13. C
2
H
4
O
2
F¶ X·m{Xm kq{X-apÅ Hcp
ImÀt_m-Ivkn-enIv BknUv C
3
H
8
O F¶
X³am-{Xm-kq-{X-apÅ Hcp B¡-tlm-fp-
ambn cmk-{]-hÀ¯\¯n-teÀs¸«v A F¶
kwbpàw Dm-Ip-¶p. A bpsS
X³am{Xm kq{Xw
[a] C
3
H
6
O
2
[b] C
3
H
6
O
[c] C
4
H
8
O
2
[d] C
5
H
10
O
2
[e] C
5
H
12
O
3
14. ssUss\-{S-P³ sSt{Sm-IvsskUv
NqSm¡pt¼mÄ Xhn«p \nd-¯n-epÅ Hcp
hmXIw Dm-bn. Cu hmXIw
[a] NO [b] N
2
O
[c] N
2
O
3
[d] NO
2
[e] N
2
Science Institute Manjeri : 0483 2768340 / Perinthalmanna : 04933 223221
VERSION : A
SUBJECT CODE : PCMB
4
Space for rough work
15. What is Riboflavin ?
[a] Vitamin B
1
[b] Vitamin C
[c] Vitamin B
2
[d] Vitamin B
12
[e] Vitamin D
16. What is the scientific name of Onion ?
[a] Momordica charantia
[b] Calotropis gigantea
[c] Allium cepa
[d] Oryza sativa
[e] Mangifera indica
17. Select the animal which has blue blood ?
[a] Arthropoda [b] Mollusca
[c] Echinodermata [d] Annelida
[e] Chordata
18. Prothrombin
thrombin which enzyme
helps for this process?
[a] Fibrenogen [b] Fibrin
[c] Thromboplastin [d] Albumin
[e] None of these
19. Which is the shape of guard cells in
monocotyledonous plants ?
[a] Spherical shape [b] Dump -bell shape
[c] Bean shape [d] Disc shape
[e] None of these
20. ....................... helps for the production of
erythrocytes ?
[a] Nicotinic Acid
[b] Folic acid
[c] Ascorbic acid
[d] Riboflavin
[e] Thaimin
15. ssdt_m-^vfm-hn³ F´mWv?
[a] Vitamin B
1
[b] Vitamin C
[c] Vitamin B
2
[d] Vitamin B
12
[e] Vitamin D
16. DÅn-bpsS imkv{Xob \maw F´v?
[a] tamtamÀUn¡ ImÂjy
[b] Item-t{Sm-¸nkv ssPPm³.jy
[c] Aenbw kn]
[d] Hssdk skssäh
[e] am³-Pn-^d C³Un¡
17 \oe cà-apÅ Pohn-IÄ
[a] BÀt{Xm-t]mU [b] samf-kvIp-IÄ
[c] FssI-t\m-sUÀtaä[d] A\-enU
[e] tImÀtUä
18. t{]mt{Xmw-_n³
t{Xmw_n³ Cu {]hÀ¯-
\s¯ klm-bn-¡p¶p F³sskw GXv?
[a] ss^{_n-t\m-P³ [b]ss^-{_n³
[c] t{Xmwt_m-¹mÌn³ [d]- BÂ_p-an³
[e]
Ch-sbm-¶p-aÃ
19. GI-_oP ]{X kk-y-§-fnse Imh tImi-
§-fpsS BIrXn
[a] hr¯m-IrXn [b]Uws_ÂBIrXn
[c] ]b-dnsâ BIrXn [d]-UnkvIv BIrXn
[e]
Ch-sbm-¶p-aÃ
20. AcpW càm-Wp-¡-fpsS \nÀam-W-¯n\v
klm-bn-¡p-¶Xv?
[a] \nt¡m-«n-\nIv BknUv
[b] t^mfnIv BknUv
[c] AkvtImÀ_nIv BknUv
[d] ssdt_m-^vfm-hn³
[e]
ssXan³
Science Institute Manjeri : 0483 2768340 / Perinthalmanna : 04933 223221
VERSION : A
SUBJECT CODE : PCMB
5
Space for rough work
21. The length of a large diagonal of a cube is
12
cm . What is the area of the cube?
[a] 12 cm [b]
6 12
cm
[c] 14 cm [d] 24cm
[e] 144 cm
22. What is a probability of the month of March
to have 5 Mondays or Tuesdays
[a]
2
7
[b]
3
7
[c]
4
7
[d]
1
7
[e] 0
23. Let a, b, c, d, e are the angles in a star.
What is ( a + b + c + d + e).?
d
ce
a b
[a] 180 [b] 90
[c] 360 [d] 270
[e] 45
24. Sum of the squares of sides of a right triangle
is1250 and whose perimeter is 56. Find the
sum of perpendicular sides?
[a] 21 [b] 31
[c] 11 [d] 23
[e] 33
21.
Hcp ka-N-Xp-c-¡-«-bpsS Gähpw henb
hnIÀ®-¯nsâ \ofw
12
cm
BsW-¦nÂ
AXnsâ D]-cn-Xe ]c-¸-fhv F{X
?
[a] 12 cm [b]
6 12
cm
[c] 14 cm [d] 24cm
[e] 144 cm
22
. amÀ¨ amk-¯n 5 Xn¦-fm-gvN-Itfm sNmÆm-
gvN-Itfm Dm-hm-\pÅ km[yX F{X
?
[a]
2
7
[b]
3
7
[c]
4
7
[d]
1
7
[e] 0
23
. Nn{X-¯nse \£-{X-¯nse
a, b, c, d, e
F¶o tImWp-I-fpsS XpI sb{X
?
d
ce
a b
[a] 180 [b] 90
[c] 360 [d] 270
[e] 45
24
Hcp a«-{Xn-tIm-W-¯nsâ hi-§-fpsS hÀ¤-
§-fpsS XpI
1250
. AXnsâ Npä-fhv 56
Bbm ew_ hi-§-fpsS XpI-sb{X
?
[a] 21 [b] 31
[c] 11 [d] 23
[e] 33
Science Institute Manjeri : 0483 2768340 / Perinthalmanna : 04933 223221
VERSION : A
SUBJECT CODE : PCMB
6
25. The product of four consecutive natural
numbers is 1680 what is the first number
among them
[a] 5 [b] 6
[c] 7 [d] 8
[e] 40
26. A s shown in figure, centres of all the circles
are in a line . If the sum of perimeters of
small circles is equal to 20 cm .what is the
perimeter of large circle. ?
[a] 10 [b] 20
[c] 30 [d] 40
[e] 50
27. The sum of n terms of an arithmetic sequence
is denoted as
n
s
and n
th
term is x
n
.
If
2 7
S S
;
15 8
2 1
x x
. Find the
common difference
[a] 15 [b] 8
[c]
3
4
[d]
4
3
[e] 1
25
XpSÀ¨-bmb \mev F®Â kwJy-I-fpsS
KpW-\-^ew 1680 Bbm Ah-bnse Gähpw
sNdnb kwJy GXv
?
[a] 5 [b] 6
[c] 7 [d] 8
[e] 40
26
. Nn{X-¯nse hr¯§-fpsSsbÃmw tI{µ-§Ä
Htc hc-bn-em-Wv. sNdnb hr¯-§-fpsS Npä-
f-hp-I-fpsS XpI
20 cm
Bbm henb
hr¯-¯nsâ Npä-fhv F{X
?
[a] 10 [b] 20
[c] 30 [d] 40
[e] 50
27
Hcp kam-´-c-t{i-Wn-bpsS
n
]Z-§-fpsS
XpIsb
n
s
sImpw
n
mw ]Zw
x
n
sImpw
kqNn-¸n-¡p-p. IqSmsX
2 7
S S
;
15 8
2 1
x x
Bbm s]mXphyXymkw
F{X
?
[a] 15 [b] 8
[c]
3
4
[d]
4
3
[e] 1
Space for rough work
Science Institute Manjeri : 0483 2768340 / Perinthalmanna : 04933 223221
VERSION : A
SUBJECT CODE : PCMB
7
28.
6 5 4 2
( ) 3P x x ax bx x x
is
divisible by
4
1
x
then
2 2
b a
is
[a] 1 [b] 9
[c] 10 [d] 8
[e] 11
29. A right triangle with sides 3 cm, 4 cm , 5 cm
is rotated with the side of 3cm as axis of
rotation to form a cone. The volume of the
cone so formed is
[a] 16
cm
3
[b] 15
cm
3
[c] 12
cm
3
[d] 20
cm
3
[e] 24
cm
3
30. A water tank is hemispherical below and
cylindrical at top . If the radius is 12m and
capacity is
3
3312
m
. Then the height of
the cylinder is ?
[a] 12m [b] 24m
[c] 36m [d] 15m
[e] 18m
31. In a maths examination , the average for
the entire class was 80 marks. If 10 % of the
students scored 95 marks and 20% scored
90 marks. What was the average marks of
the remaining students of the class.
[a] 85 [b] 80
[c] 75 [d] 70
[e] 65
28
6 5 4 2
( ) 3P x x ax bx x x
sâ LS-I-
am-Wv.
4
1
x
F¦nÂ
2 2
b a
F{X
?
[a] 1 [b] 9
[c] 10 [d] 8
[e] 11
29. 3 cm, 4 cm , 5 cm
hi-apÅ Hcp a«-{Xn-tIm-
W-¯nsâ
3cm
hiw A£-am¡n AXns\
Id¡n-bm cq]-s¸-Sp¶ hr¯-kvXq-]n-I-
bpsS hym]vXw F{X
?
[a] 16
cm
3
[b] 15
cm
3
[c] 12
cm
3
[d] 20
cm
3
[e] 24
cm
3
30
Hcp Pe-kw-`-c-Wn-bpsS cq]w AÀ²-tKm-f-
¯n hr¯-kvXw`w LSn-¸n¨ coXn-bnÂ
BWv. s]mXp Bcw
12m
Dw hym]vXw
3
3312
m
Dw BsW-¦n hr¯-kvXw-`-
¯nsâ Dbcw F{X
?
[a] 12m [b] 24m
[c] 36m [d] 15m
[e] 18m
31
KWnX ]co-£-bn Hcp ¢mknse apgp-h³
Ip«n-I-fp-sSbpw amÀ¡nsâ am[yw
80
-B-Wv.
10 %
Ip«n-IÄ
95
amÀ¡v t\Sn
20%
Ip«n-
IÄ
90
amÀ¡pw t\Sn. _m¡n Ip«n-I-fpsS
amÀ¡nsâ am[yw F{X
?
[a] 85 [b] 80
[c] 75 [d] 70
[e] 65
Space for rough work
Science Institute Manjeri : 0483 2768340 / Perinthalmanna : 04933 223221
Science Institute Manjeri : 0483 2768340 / Perinthalmanna : 04933 223221
VERSION : A
SUBJECT CODE : PCMB
8
32. If three metallic spheres of radii 6cm, 8 cm ,
and 10cm are melted to form a single sphere,
the radius of the new sphere will be.........
[a] 14 cm [b] 16 cm
[c] 18 cm [d] 12 cm
[e] 15 cm
33. The sum of first
( 1)
n
terms of an arithmetic
sequence is
2
5 6 1n n
., then its algebric
form [ n
th
term] is
[a]
5 6
n
[b]
10 6
n
[c]
10 12
n
[d]
10 1n
[e]
2
5 4n n
34. How many squares are there in the figure.?
[a] 9 [b] 8
[c] 10 [d] 14
[e] 12
35. If
3sin 4cosA A
., then find tan AA
[a] 3 [b] 4
[c]
4
3
[d]
3
4
[e] 1
32. 6cm, 8cm, 10 cm
Bc-§Ä DÅ 3 teml-tKm-
f-§Ä Ddp¡n Htcmä tKmf-am-¡n-bmÂ
AXnsâ Bc-sa{X
?
[a] 14 cm [b] 16 cm
[c] 18 cm [d] 12 cm
[e] 15 cm
33
Hcp kam-´c t{iWn-bpsS BZys¯
( 1)
n
]Z-§-fpsS XpI
2
5 6 1n n
Bbm {iWn-
bpsS _oP-K-WnX cq]w F´v
?
[a]
5 6
n
[b]
10 6
n
[c]
10 12
n
[d]
10 1n
[e]
2
5 4n n
34.
Nn{X-¯n BsI F{X ka-N-Xp-c-§Ä Dv
?
[a] 9 [b] 8
[c] 10 [d] 14
[e] 12
35.
3sin 4 cosA A
., BbmÂ
tan A
F{X
?
[a] 3 [b] 4
[c]
4
3
[d]
3
4
[e] 1
Space for rough work
VERSION : A
SUBJECT CODE : PCMB
9
36. In the figure, O is the centre of the circle
and OPQR is a rhombus , then
PQR
O
P Q
R
[a] 60 [b] 100
[c] 90 [d] 180
[e] 120
37. The quadrilateral has two diagonals,
pentagon has 5 diagonals. Find the
maximum number of diagonals of decagon?
[a] 10 [b] 20
[c] 35 [d] 25
[e] 30
38. If
2
( ) 10 25
p x x x
and P(a) = P(b)
then a + b = ......................
[a] 0 [b] 1
[c] 5 [d] 10
[e] 25
39.
2 2 2 2 2 2
50 49 48 47 ....... 2 1
.....
[a] 1275 [b] 2500
[c] 1000 [d] 0
[e] 1
36.
Nn{X-¯nÂ
O
hr¯-tI-{µhpw
OPQR
ka-`p-
P-km-am-´-cn-Ihpw BWv.
PQR
F{X
?
O
P Q
R
[a] 60 [b] 100
[c] 90 [d] 180
[e] 120
37
. NXpÀ`p-P-§Ä¡v cpw ]©-`p-P-§Ä¡v
A©pw hnIÀ®-§Ä hc-bv¡mw. ]¯v hi-
§Ä DÅ _lp-`p-P-¯n\v hc-bv¡m-hp¶
hnIÀW-§-fpsS F®w F{X
?
[a] 10 [b] 20
[c] 35 [d] 25
[e] 30
38..
2
( ) 10 25
p x x x
P(a) = P(b)
BbmÂ
a + b = ......................
[a] 0 [b] 1
[c] 5 [d] 10
[e]25
39
2 2 2 2 2 2
50 49 48 47 ....... 2 1
.....
[a] 1275 [b] 2500
[c] 1000 [d] 0
[e] 1
Space for rough work
Science Institute Manjeri : 0483 2768340 / Perinthalmanna : 04933 223221
VERSION : A
SUBJECT CODE : PCMB
10
40. For an arithemetic sequence sum of first 4
terms is equal to 44 and its third term is 14
what is its first term?
[a] 2 [b] 4
[c] 6 [d] 8
[e] 1
41. Roots of the equation
2
0
x px q
are -1 and 1. Then
3 4p q
..........
[a] 3 [b] 4
[c] 0 [d] 1
[e] -1
42. In the figure
ABC
is equilateral, O is the
centre, OB = 3 cm then length of BC = .....
B C
A
O
[a]
3
2
cm [b]
3
cm
[c]
2 3
cm [d]
3 3
cm
[e]
2
3
cm
43. For what value of x,
2
( ) 6 11
P x x x
is
minimum
[a] 0 [b] 2
[c]
3
[d] 1
[e]
3
40
. Hcp kam-´-c-t{i-Wn-bpsS BZys¯ 4 ]Z-§-
fpsS XpI 44 Dw 3mw ]Zw 14 Dw BWv. BZy
]Zw F{X
?
[a] 2 [b] 4
[c] 6 [d] 8
[e] 1
41.
2
0
x px q
F¶ ka-hm-Iy-¯nsâ
]cn-lm-c-§Ä
-1
,
1
BWv F¦nÂ
3 4p q
[a] 3 [b] 4
[c] 0 [d] 1
[e] -1
42
. Nn{X-¯nÂ
ABC
ka-`pPw BWv.
O
hr¯-
tI{µw,
OB=3 cm, BC
bpsS \ofw F{X
?
B C
A
O
[a]
3
2
cm [b]
3
cm
[c]
2 3
cm [d]
3 3
cm
[e]
2
3
cm
43
.
x
sâ GXv hne-bv¡mWv
2
( ) 6 11
P x x x
Gähpw sNdpXv BIp-¶Xv
?
[a] 0 [b] 2
[c]
3
[d] 1
[e]
3
Space for rough work
Science Institute Manjeri : 0483 2768340 / Perinthalmanna : 04933 223221
VERSION : A
SUBJECT CODE : PCMB
11
44. The vertices of the square and the midpoints
of two sides are joined as shown figure.
How many times of the area of the triangle
so formed, is the area of the square?.
[a] 3 [b] 8
[c]
8
3
[d]
2 2
3
[e]
2
2 2
45.
1 1 1 1
......
1 2 2 3 3 4 99 100
[a]
1
99
[b]
1
100
[c]
99
100
[d]
100
99
[e] 1
46. The equation of a straight line is
3 2 15 0
y x
. Then the point, which is
not in the line?
[a] ( 3, 3 ) [b] ( 6, 1)
[c]
( 9,11)
[d] (9,1)
[e]
( 3,1)
44
Hcp ka-N-Xp-c¯nsâ Hcp aqebpw aäp
cp hi-§-fpsS a²y _nµp-¡fpw Nn{X-
¯n ImWp-¶-Xp-t]mse tbmPn-¸n¨v
{XntImWw hc-¨n-cn-¡p-¶p. Cu {XntIm-W-
¯nsâ ]c-¸-f-hnsâ F{X aS-§mWv ka-N-Xp-
c-¯nsâ ]c-¸-fhv
?
[a] 3 [b] 8
[c]
8
3
[d]
2 2
3
[e]
2
2 2
45.
1 1 1 1
......
1 2 2 3 3 4 99 100
[a]
1
99
[b]
1
100
[c]
99
100
[d]
100
99
[e] 1
46.
3 2 15 0
y x
F¶Xv Hcp t\Àtc-J-bpsS
ka-hm-Iy-am-Wv, F¦n Xmsg ]d-bp¶ FXv
_nµp-hmWv Cu tcJ-bn DÄsIm-Åm-¯Xv
?
[a] ( 3, 3) [b] ( 6, 1)
[c]
( 9,11)
[d] (9,1)
[e]
( 3,1)
Space for rough work
Science Institute Manjeri : 0483 2768340 / Perinthalmanna : 04933 223221
VERSION : A
SUBJECT CODE : PCMB
12
47. An arrow is formed in a
2 2
square, joined
by the bottom corners to the midpoint
of the top edge and centre of the square as
shown. Find the area of the shaded
portion?
[a] 2 [b] 2
2
[c]
1
2
[d]
2
1
2
[e] 1
48. In the figure, AB, CD, EF are perpendicular
to BC, If AB = 6cm, EF = 2cm then CD =
A
B
6
2
E
F
D
C
[a] 1cm [b] 2cm
[c] 3cm [d] 4cm
[e] 5cm
47
.
2 2
hen-¸-apÅ Hcp ka-N-Xp-c-¯nsâ
Xmsg aqe-I-fn \n¶v FXnÀ hi-¯nsâ
a[y _nµp-hn-te¡pw ka-N-Xp-c-¯nsâ a[y
_nµp-hn-te¡pw tbmPn-¸n¨v Hcp Nn{Xw hc-
¨n-cn-¡p-¶p. tjUv sNbvX `mK-¯nsâ ]c-¸-
fhv F{X
?
[a] 2 [b] 2
2
[c]
1
2
[d]
2
1
2
[e] 1
48.
Hcp Nn{X-¯nÂ
AB, CD, EF
F¶nh
BC
¡v
ew_-am-Wv.
AB = 6cm, EF = 2cm
BbmÂ
CD =
..................
A
B
6
2
E
F
D
C
[a] 1cm [b] 2cm
[c] 3cm [d] 4cm
[e] 5cm
Space for rough work
Science Institute Manjeri : 0483 2768340 / Perinthalmanna : 04933 223221
Science Institute Manjeri : 0483 2768340 / Perinthalmanna : 04933 223221
VERSION : A
SUBJECT CODE : PCMB
13
49. Three balls are placed inside a cone such
that each ball is in contact as well as with
the edge of the cone . If the radii of the
balls are 20cm, 12cm and r cm respec
tively; find r ?
12
20
r
[a] 8cm [b] 4cm
[c] 7.2 cm [d] 4.8 cm
[e] 6.4 cm
50. A telephone company places four round
small cables in big round duct. Assuming
the diameter of each cable is 2cm. Find
the diameter of outer duct ?
[a]
8 2
cm [b]
2 8
cm
[c]
2 2 4
cm [d]
2 3 4
cm
[e]
8 3
cm
49.
aq¶v ]´p-IÄ Hcp hr¯kvXq]n-I-bn C«n-
cn-¡p-¶p. ]´p-IÄ ]c-kv]-chpw hr¯-
kvXq-]n-I-bpsS hi-§-fnepw X«p-¶p.
henb cv ]´p-I-fpsS Bcw
20cm, 12cm
Bbm sNdnb ]´nsâ
Bcw F{X
?
12
20
r
[a] 8cm [b] 4cm
[c] 7.2 cm [d] 4.8 cm
[e] 6.4 cm
50
. Hcp sSen-t^m¬ I¼\n tI_n-fp-IÄ
Øm]n-¡p-¶Xv knen-À BIr-Xn-bn-epÅ
Ipg-ep-I-fn-em-Wv. Hcp Ipg-en Nn{X-¯nÂ
ImWp-¶-Xp-t]mse 4 tI_n-fp-IÄ ]c-kv]-
chpw Ipg-enepw X«p¶ coXn-bn BWv
Øm]n-¨n-cn-¡p-¶-Xv. CXn Hmtcm tI_n-
fn\pw
2cm
hymk-apv . F¦n Ipg-ensâ
hymkw F{X
?
[a]
8 2
cm [b]
2 8
cm
[c]
2 2 4
cm [d]
2 3 4
cm
[e]
8 3
cm
Space for rough work
VERSION : A
SUBJECT CODE : PCMB
14
51. A unit circle is placed against a right angle
and a small circle touching the sides of the
right angle as well as with the unit circle.
Find the radius of the small circle as
shown?
1
[a]
3 2 2
[b]
3 2 2
[c]
2 2
[d]
2 2
[e]
2 2 2
52. There are two straight lines
1 0
x y
and
4 3 25 0
x y
. Then which of the
following straight line passing through the
point of intersection of these two given
straight lines?
[a]
2 3 1 0
x y
[b]
1 0
x y
[c]
4 1 0
x y
[d]
2 3 1 0
x y
[e]
3 2 0
x y
.
53. The sides of the rectangle are integers, and
they are different . The perimeter of the
rectangle is numericallyequal to its area.
then its length is =.............. ?
[a] 6 [b] 5
[c] 4 [d] 2
[e] 1
51.
Nn{X-¯n cv t\Àh-c-Ifpw ]c-kv]cw
ew_-am-Wv. sNdnb hr¯w henb hr¯-
t¯bpw hc-I-tfbpw sXmSp-¶p. henb
hr¯-¯nsâ Bcw 1 bqWncvcv sNdnb
hr¯-¯nsâ Bcw F{X
?
1
[a]
3 2 2
[b]
3 2 2
[c]
2 2
[d]
2 2
[e]
2 2 2
52.
1 0
x y
F¶ t\ÀJbpw
4 3 25 0
x y
F¶ t\Àtc-Jbpw
JWvUn-¡p¶ _nµphneqsS IS-¶p-t]m-Ip¶
t\À tcJ ....................
[a]
2 3 1 0
x y
[b]
1 0
x y
[c]
4 1 0
x y
[d]
2 3 1 0
x y
[e]
3 2 0
x y
53.
hi-§-fpsS \ofw ]qÀ® kwJy-I-fm-b, ka-
N-Xp-c-a-Ãm¯ Hcp NXp-c-¯sâ Npä-fhpw ]c-
¸-fhpw kwJym-]-c-ambn Xpey-am-bm \of-
sa{X
?
[a] 6 [b] 5
[c] 4 [d] 2
[e] 1
Space for rough work
Science Institute Manjeri : 0483 2768340 / Perinthalmanna : 04933 223221
VERSION : A
SUBJECT CODE : PCMB
15
54. Given ‘
1x
’ is a factor of
2
x ax b
and
7
a b
. Then a = .......and b = ........?
[a]
1, 2
[b] 0,8
[c]
3, 4
[d]
4, 3
[e] 1,1
55. A square is inscribed in a circle whose
diameter 2cm . Four semicircles are then
constructed with diameters as the sides of
the square. Find the area of shaded
portion .?
[a] 2 cm
2
[b] 4cm
2
[c] 4
cm
2
[d] 2
cm
2
[e]
cm
2
56. Find the sum
1 1 1 1 1
..........
1 3 6 10 15
[a]
1
n
[b]
1
1n
[c] 1 [d]2
[e] 0
54.
1x
F¶Xv
2
x ax b
bpsS Hcp LS-I-
am-Wv, IqSmsX
7
a b
Dw BbmÂ
a = ......, b = ........?
[a]
1, 2
[b] 0,8
[c]
3, 4
[d]
4, 3
[e] 1,1
55
.
Hcp ka-N-Xp-chpw AXnsâ ]cn-hr-¯hpw
hc-¨n-cn-¡p-¶p. ]cn-hr-¯-hymkw 2 sk,an
. ka-N-Xp-c-¯nsâ hi-§Ä hymk-§-fmbn
4 AÀ²-hr-¯-§fpw hc-¨p. F¦nÂ
tjUv sNbvX `mK-¯nsâ ]c-¸-fhv F{X?
[a] 2 cm
2
[b] 4cm
2
[c] 4
cm
2
[d] 2
cm
2
[e]
cm
2
56.
1 1 1 1 1
..........
1 3 6 10 15
.=...........
[a]
1
n
[b]
1
1n
[c] 1 [d]2
[e] 0
Space for rough work
Science Institute Manjeri : 0483 2768340 / Perinthalmanna : 04933 223221
VERSION : A
SUBJECT CODE : PCMB
16
57. If
2
1 0
x x
then
3
x
is ...............
[a] 1 [b]
1
[c] 0 [d] 2
[e]
2
58. The average age of 24 students and their
class teacher is 16 years. If the class
teacher’s age is excluded, the average
reduces by 1 year, the age of the class
teacher is
[a] 40 [b] 50
[c] 45 [d]55
[e] 35
59.
2 2 2 2
1 1 1 1
2 3 4 5
2 2 2 2
[a] 256 [b]
1
14
4
[c]
1
196
4
[d]
1
256
4
[e] 69
60. The average of 10 consecutive odd number
is 120. Then which is the smallest odd
number among this ?
[a] 1 [b] 11
[c] 101 [d] 111
[e] 113
61. The value of
50 50 50 50 50
.......
72 90 110 132 9900
[a]
23
4
[b]
22
7
[c]
1
2005
[d]
55
27
[e]
55
22
57.
2
1 0
x x
BbmÂ
3
x
F{X
?
[a] 1 [b]
1
[c] 0 [d] 2
[e]
2
58.
Hcp ¢mknse 24 Ip«n-I-fp-tSbpw So¨-dp-
tSbpw hb-kp-I-fpsS am[yw 16 BWv. Ip«n-
I-fpsS am{Xw icm-icn BsI am[y-t¯-
¡mÄ 1 Ipd-hm-Wv. So¨-dpsS hbkv F{X
?
[a] 40 [b] 50
[c] 45 [d]55
[e] 35
59.
2 2 2 2
1 1 1 1
2 3 4 5
2 2 2 2
[a] 256 [b]
1
14
4
[c]
1
196
4
[d]
1
256
4
[e] 69
60.
XpSÀ¨bmb 10 Hä kwJy-I-fpsS am[yw 120
AXn Gähpw sNdnb Hä kwJy F{X
?
[a] 1 [b] 11
[c] 101 [d] 111
[e] 113
61.
50 50 50 50 50
.......
72 90 110 132 9900
[a]
23
4
[b]
22
7
[c]
1
2005
[d]
55
27
[e]
55
22
Space for rough work
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VERSION : A
SUBJECT CODE : PCMB
17
62. In a box there are green, red and blue
balls. The number of balls which are not
green is 9. The number of balls which are
not red is 8 and the number of balls which
are not blue is 7. Then total number of
balls in the box is?
[a] 24 [b] 12
[c] 9 [d]8
[e] 7
63. The speed of two runners are 15 km/hr
and 16 km/hr respectively . To cover a
distance ‘x’ one take 16 minutes more
than the other, then the distance ‘x’ in
kilometer is....................
[a] 32 [b] 48
[c] 64 [d] 82
[e] 128
64. A black and white photohraph is 70 %black
and 30 % white. It is enlarged 3 times the
percentage of white in the enlargment is ?
[a] 90% [b]
2
3
62
%
[c]
1
3
33
% [d]30%
[e] 70%
65. The hypotenuse ‘c’ and one of the side of
this right angled triangle is consecutive
integers.Find the square of the third side ?
(Take a,b,c are the sides of the right triangle )
[a] c - a [b] c + a
[c] ca [d]
c
a
[e]
2 2
c a
62.
Hcp s]«n-bn ]¨ Nph¸v \oe ]´p-IÄ
Dv . ]¨-b-Ãm¯ ]´p-I-fpsS F®w 9.
Nph-¸-Ãm¯ ]´p-I-fpsS F®w 8. \oe-b-
Ãm¯ ]´p-I-fpsS F®w 7. F¦n BsI
]´p-I-fpsS F®w F{X
?
[a] 24 [b] 12
[c] 9 [d]8
[e] 7
63.
cv Hmt«m-Im-cpsS thKX
15 km/hr,
16 km/hr
BWv.
x’km
Zqcw HmSm³ H¶m-a³
cm-a-t\-¡mÄ 16 an\näv IqSp-XÂ ka-b-saSp-
¯p. F¦n Zqcw F{X Intem-ao-äÀ BWv.
?
[a] 32 [b] 48
[c] 64 [d] 82
[e] 128
64
. Hcp »m¡v sshäv t^mt«m-bnÂ
70 %
Idp¸pw
30 %
shfp¸pw Dv. Cu t^mt« 3 aS§v
hep-Xm-¡n-bm In«pt^mt«m-bn F{X
iX-am\w shfp-¸m-bn-cn¡pw.
?
[a] 90% [b]
2
3
62
%
[c]
1
3
33
% [d]30%
[e] 70%
65.
Hcp a«-{Xn-tIm-W-¯n-sâ# IÀ®hpw Hcp
hihpw ASp-¯-Sp¯ F®Â kwJy-I-fmWv
. IÀ®-Xn-Xsâ \ofw
‘c’
Bbm 3mw-as¯
hi-¯nsâ \of-¯nsâ hÀ¤w F{X
?
( a, b, c
F¶nh a«-{Xn-tIm-W-¯nsâ hi-§-
fmbn FSp-¡p-I)
[a] c - a [b] c + a
[c] ca [d]
c
a
[e]
2 2
c a
Space for rough work
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Science Institute Manjeri : 0483 2768340 / Perinthalmanna : 04933 223221
VERSION : A
SUBJECT CODE : PCMB
18
66. All terms of an arithenmetic sequance are
+ ve numbers. The ratio of difference of the
8
th
term and 4
th
term to the 15
th
term is
4
15
and the square of the difference of fourth
and first term is 225, what is itsfirst term ?
[a] 4 [b] 5
[c] 15 [d] 9
[e] 24
67. A train leaves a station 1 hour before the
scheduled time . The driver decreases the
speed by 4 kmper hour. At the next station
120 km away, the train reached in the
scheduled time . The original speed of the
train in km/hr is ...............
[a] 24 [b] 36
[c] 18 [d] 22
[e] 40
68. AB, AC are tangents , D is the midpoint of
the minor arc BC. For the triangle ABC, D
is.............
C
D
A
B
[a] perpendicular bisector
[b] circum centre [c] in centre
[d] centroid [e] bisector
66.
]Z-§Ä FÃmw A[n-kw-Jy-IÄ Bb Hcp
kam-´-c-t{i-Wn-bn 4,8 ]Z-§-fpsS hyXym-
khpw 15mw ]Zhpw X½n-epÅ Awi-_Ôw
4
15
BWv. 4, 1 ]Z-§Ä X½n-epÅ
hyXymk¯nsâ hÀ¤w 225. BZy ]Zw F{X
?
[a] 4 [b] 5
[c] 15 [d] 9
[e] 24
67.
Hcp s{Sbn³ \nivNnX ka-b-¯n\v Hcp aWn-
¡qÀ ap¼v ]pd-s¸-«p. \nÝ-bn¨ thK-X-bnÂ
\n¶v
4 km/hr
Ipdª thK-Xbn-emWv k©-
cn-¨-Xv.
120 km
AI-se-bpÅ tÌj-\nÂ
IrXy-k-a-b¯v Xs¶-bmWv F¯n-bXv
F¦n bYmÀ°-¯n k©-cn-t¡-n-bn-
cp thK-X-sb{X
?
[a] 24 [b] 36
[c] 18 [d] 22
[e] 40
68.
Nn{X-¯nÂ
AB, AC
sXmSp-h-c-I-fmWv
. BC
F¶ sNdnb Nm]-¯nsâ a[y-_n-µp-hmWv
ABC
sb kw_-Ôn¨v
D
F´mWv
?
C
D
A
B
[a]
ew_-k-a-`mPn
[b]
]cn-hr¯ tI{µw
[c]
A´Àhr¯ tI{µw
[d]
{XntImWa[yw
[e]
ka-`mPn
Space for rough work
VERSION : A
SUBJECT CODE : PCMB
19
69. In the figure , ‘O’ is the centre of the
semicircle and AB and AC are tangents .
0
90
A
, OB = 15 cm , OC = 20cm .
What isthe radius of the semicircle?
D
B
A
E
C
O
[a] 15 cm [b] 20cm
[c] 17.5 cm [d] 5cm
[e] 12cm
70. ABCD is a trapezium whose diagonals
meets at M. PQ is parallel to AB, AB =
12cm , CD = 4cm. Find PQ ?
A B
CD
P Q
4
M
12
[a] 6 cm [b] 8cm
[c] 10cm [d] 4.5 cm
[e] 7cm
69
. Nn{X-¯nÂ
‘O’
hr¯-tI-{µ-amWv .
AB , AC
Ch sXmSp-h-c-I-fp-amWv.
0
90
A
,
OB = 15 cm , OC = 20cm
BbmÂ
AÀ²-hr-¯-¯nsâ Bc-sa{X
?
D
B
A
E
C
O
[a] 15 cm [b] 20cm
[c] 17.5 cm [d] 5cm
[e] 12cm
70. ABCD
Hcp ew_Iw BWv. AXnsâ
hnIÀW-§Ä
M
 LWvUn-¡p-¶p.
PQ,AB
F¶nh kam-´-c-am-Wv.
AB = 12cm , CD =
4cm
BbmÂ
PQ
F{X
?
A B
CD
P Q
4
M
12
[a] 6 cm [b] 8cm
[c] 10cm [d] 4.5 cm
[e] 7cm
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71.
Nn{X-¯nÂ
0
90
A
,
AD BC
,
AB = 5cm , AC = 12cm
F¦nÂ
BD
F{X
?
A
D CB
[a] 13 cm [b]
12
13
cm
[c] 8.5cm [d]
7
25
cm
[e]
25
13
cm
72.
ABC
bnÂ
AB = AC . AC
bpsS a[y-_n-
µp-hmWv
M
F¦nÂ
..............
BP
AP
?
A
C
MB
P
[a] 1 [b] 2
[c] 3 [d] 4
[e] 5
71. In the figure ,
0
90
A
,
AD BC
,
AB = 5cm , AC = 12cm then BD =..........
A
D CB
[a] 13 cm [b]
12
13
cm
[c] 8.5 cm [d]
7
25
cm
[e]
25
13
cm
72. In
ABC
, AB = AC, M is the midpoint of
AC then
..............
BP
AP
?
A
C
MB
P
[a] 1 [b] 2
[c] 3 [d] 4
[e] 5
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73. 20
aoäÀ Bghpw 7 aoäÀ hymk-hp-apÅ Hcp
InWÀ Ipgn-¡p-t¼mÄ, AXnse a®v NXp-cm-
Ir-Xn-bn-epÅ Hcp Xd-bmbn
(plat form)
D]-
tbm-Kn-¡p-¶p. Cu Xd-bpsS Af-hp-IÄ
22 14
aoäÀ BsW-¦n CXnsâ Db-cw
.(
22
7
Fs¶-Sp-¡pI
)
......................
[a] 2 m [b] 2.5 m
[c] 3 m [d]1.5 m
[e] 4 m
74.
90
C
, AB = 10cm, CD = 12cm x + y
= 90
F¦nÂ
BC
bpsS \ofw F{X
?
D
A C
10cm
12cm
x
B
y
[a] 10 [b] 12
[c] 6 [d] 8
[e] 14
75.
Hcp {XntIm-W-¯nsâ hi-§Ä
6,8 10
BWv. AXnsâ A´Àhr¯ Bcw F{X
?
A
B
C
[a] 3 cm [b] 4cm
[c] 5cm [d] 2cm
[e] 7cm
73. A 20 m deep well with dia meter 7m is
dug and the earth from digging is evenly
spread out to form a plat form 22 m by 14m.
. Then height of the (plat form) is
(Take
22
7
)..................
[a] 2 m [b] 2.5 m
[c] 3 m [d]1.5 m
[e] 4 m
74.
90
C
, AB = 10cm , CD = 12cm
x + y = 90 , what is the length of BC ?
D
A C
10cm
12cm
x
B
y
[a] 10 [b] 12
[c] 6 [d] 8
[e] 14
75. The sides of the right triangle is 6,8 10
centemeters . What is its inradius
A
B
C
[a] 3 cm [b] 4cm
[c] 5cm [d] 2cm
[e] 7cm
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76. 1 + 3 + 6 + 10 + .....+ 55 =
[a] 220 [b] 440
[c] 330 [d] 560
[e] 230
77.
1
2 6
3 9 15
4 12 20 28
5 15 25 35 45
6 18 30 42 54 66
........................................
........................................
.........
10 mw hcn-bnse kwJy-I-fpsS XpIsb{X
?
[a] 956 [b] 990
[c] 1000 [d]2000
[e] 1200
78.
Hcp N{Iob NXpÀ`p-P-¯nsâ hi-§Ä
5,4,6,7cm
hoXw Bbm AXnsâ ]c-¸-fhv
F{X
?
[a] 840 [b]
840
[c] 210 [d] 420
[e]
210
76. What is 1 + 3 + 6 + 10 + .....+ 55 =
[a] 220 [b] 440
[c] 330 [d] 560
[e] 230
77.
1
2 6
3 9 15
4 12 20 28
5 15 25 35 45
6 18 30 42 54 66
........................................
........................................
.........
Find the sum of the terms of 10
th
row
[a] 956 [b] 990
[c] 1000 [d]2000
[e] 1200
78. If the sides of a cyclic quadilateral is
5,4,6,7 centemeters. Find the area of this
quadrilateral ?
[a] 840 [b]
840
[c] 210 [d] 420
[e]
210
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79. 3 cm
Bc-apÅ I«n-bmb tKmf-¯n \n¶pw
sN¯n-sb-Sp-¡m-hp-¶ Gähpw henb hr¯-
kvXq-]n-I-bpsS hym]vXw F{X
?
[a]
32
cm
3
[b]
27
cm
3
[c]
9
cm
3
[d]
3
81
8
cm
[e]
3
81
4
cm
80.
henb AÀ² hr¯-¯nsâ tI{µ-amWv.
O
AXnsâ Bcw hymk-ambn aäp cv AÀ²-
hr-¯-§fpw hc-¨n-cn-¡p-¶p. Bbm sNdnb
hr¯-Xnsâ Bc-sa{X
?
A O B
[a] 3cm [b] 4.5cm
[c] 9cm [d] 8 cm
[e] 6 cm
79. Find the volume of largest cone that can
be carved out from the solid sphere of
radius 3 cm
[a]
32
cm
3
[b]
27
cm
3
[c]
9
cm
3
[d]
3
81
8
cm
[e]
3
81
4
cm
80. O is the centre of large semicircle and
other two semicircle are also drawn.Where
diameter is the radius of big semicircle. If.
AB = 18cm . Find the radius of the small
circle ?
A O B
[a] 3cm [b] 4.5cm
[c] 9cm [d] 8 cm
[e] 6 cm
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