Reasoning By: Arun Kumar Sir
Reasoning By: Arun Kumar Sir
Reasoning By: Arun Kumar Sir
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sides are coloured with red colour and rest of
the sides are coloired woth green colour. After 5. How many cubes are there of which three
that it is cut into 72 cubes in such a way that sides are coloured?
AP
64 small cubes and 8 big cubes are obtained. ,sls fdrus ?ku gSa ftuds rhu lrg jaxs gq, gSa\
No side of big cubes should be coloured with
black colour. (a) 8 (b) 4
(c) 12
,d Bksl ?kukHk ds nks foijhr lrgksa dks dkys jax ls] nks foijhr (d) 2
(e) x;kNone of these/buesa ls dksbZ ugha
lrgksa dks yky jax ls rFkk 'ks"k lrgksa dks gjs jax ls jax fn;k
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gSaA blds ckn bls 72&?kuksa esa bl çdkj ls dkVk x;k
?ku NksVs vkdkj ds rFkk 8 ?ku cM+s vkdkj ds çkIr gksaA
ds fdlh Hkh lrg ij dkyk jax ugha gksuk pkfg,A
6. gSHow
fd 64many cubes are there of which None
cM+s
side ?kuksa
is coloured?
,sls fdrus ?ku gSa ftuds dksbZ Hkh lrg jaxs gq
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1. How many cubes are there of which at (a) 4 (b) 8
least one side is coloured with red colour?
(c) 12 (d) 6
,sls fdrus ?ku gSa] ftuds de&ls&de ,d lrg yky jax
(e) None of these/buesa ls dksbZ ugha
ls jaxs gq, gSa\
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2. How many cubes are there of which only ls jaxs gq, gSa\
one side is coloured?
(a) 30 (b) 16
,sls fdrus ?ku gSa ftuds dsoy ,d lrg jaxs gq, gSa\ (c) 32 (d) 40
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(a) 10 (b) 8
(e) None of these/buesa ls dksbZ ugha
(c) 16 (d) 24
8. How many cubes are there of which one
(e) None of these/buesa ls dksbZ ugha side is coloured with only red or green
3. How many cubes are there of which only colour?
two sides are coloured? ,sls fdrus ?ku gSa ftudh ,d lrg dsoy yky ;k gjs jax
,sls fdrus ?ku gSa ftuds dsoy nks lrg jaxs gq, gSa\ ls jaxs gq, gSa\
(a) 48 (b) 40 (a) 72 (b) 64
(c) 32 (d) 16 (c) 32 (d) 40
(e) None of these/buesa ls dksbZ ugha (e) None of these/buesa ls dksbZ ugha
9. How many cubes are there of which one ,sls fdrus ?ku gSa ftuds de&ls&de ,d lrg ij uhys
side is coloured with red colour and jax ls jaxs x, gSa\
opposite of this side is coloured with green
(a) 4 (b) 14
colour?
(c) 17 (d) 20
,sls fdrus ?ku gSa ftuds ,d lrg ij yky jax rFkk Bhd
blds foijhr lrg ij gjs jax jaxs gq, gSa? (e) 16
(a) 0 (b) 4 12. How many such cubes are there of which
at least two sides are coloured?
(c) 8 (d) 2
,sls fdrus ?ku gSa de&ls&de nks lrg jaxs x, gS
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(e) None of these/buesa ls dksbZ ugha
(a) 20 (b) 16
10. How many cubes are there of which two
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adjacent sidesare coloured with red and (c) 18 (d) 32
green colour respectively? (e) None of these/buesa ls dksbZ ugha
,sls fdrus ?ku gSa ftuds nks fudVorhZ lrg Øe'k%
13. yky
How many cubes are there of which none
vkSj gjs jax ls jaxs gq, gSa\ side is coloured?
(dsoy nks gh lrg dksConsider djrs gq,) ,sls fdrus ?ku gSa ftuds dksbZ Hkh lrg jaxs ug
(a)
(c)
(e)
8
24 ILL (b) 16
(d) 32
None of these/buesa ls dksbZ ugh
(a)
(c)
(e)
0
4
(b) 2
(d) 8
None of these/buesa ls dksbZ ugha
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aDirections (11-15) : Read the given 14. How many cubes are there of which none
information carefully and answer the given side is coloured with red colour.
questions. ,sls fdrus ?ku gSa ftuds fdlh Hkh lrg ij yky jax
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funsZ'k (11&15)%nh xbZ tkudkjh dks è;kuiwoZd i<+dj jaxs ugha x, gSa\
ml ij vk/kfjr iz'uksa ds mRrj nhft,A (a) 10 (b) 12
A solid cube's two opposite side is coloured (c) 14 (d) 18
withred colour, two equal parts in such a way (e) None of these/buesa ls dksbZ ugha
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,d Bksl ?ku ds nks foijhr lrgksa dks yky jax ls] nks funsZ'k (16&20) % uhps nh xbZ tkudkjh dk è;kui
fudVorhZ lrgksa dks uhys jax ls rFkk 'ks"k lrgksa dksvè;;u
ihykdjjax
iz'uksa ds mRrj nsa &
ls jaxk x;k gSA blds ckn bls bl izdkj ls nks cjkcj Hkkxksa
(i) There is a rectangular wooden block of
esa foHkDr fd;k tkrk gS fd nksuksa gh yky lrg ,d nwljs length 7 cm, height 6 cm and breadth 5 cm.
ls vyx gks tk,A blds i'pkr~ ,d Hkkx dks dkVdj pkj 7 lseh- yEckbZ] 6 lseh- mQapkbZ o 5 lseh- pkS
cM+s&cM+s ekiokys ?kuksa esa rFkk nwljs Hkkx dks,ddkVdj vk;rkdkj
32 ydM+h dk ckWDl gSA
NksVs&NksVs cjkcj eki okys ?kuksa esa ifjofrZr dj fn;k
(ii) x;k
ThegSAtwo opposite surfaces of 7 cm 6 cm
are painted from outside by red colour.
11. How many such cubes are there of which
atleast one side is coloured with blue 7 lseh- yEckbZ 6 lseh- dh nks foijhr lrgksa dks c
colour? ls yky jax ls jaxk tkrk gSA
(iii) One surface of 7 cm 5 cm is painted from 20. How many cubes have the combination of
outside by yellow colour and the pink and red only?
opposite surface violet. fdrus ?kuksa esa dsoy xqykch o yky dk la;ksx
7 lseh- 5 lseh- dh ,d lrg dks ckgj ls ihys jax (a) 6 (b) 10
o foijhr lrg dks cSaxuh jax ls jaxk tkrk gSA
(c) 12 (d) 8
(iv) The remaining teo surfaces of 6 cm 5
Directions (21-23) : Read the following
cm are painted from outside by green
information and answer the questions given
and pink respectively.
below:
6 lseh- 5 lseh- dh 'ks"k nks lrgksa dks ckgj ls Øe'k%
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funsZ'k (21&23) % uhps nh xbZ tkudkjh dk è;kui
gjk o xqykch jaxk tkrk gSA
vè;;u dj iz'uksa ds mRrj nsa&
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(v) Now, the block is cut such a way that
Each surface of a dice is painted with
cubes of 1 cm 1 cm 1 cm are created.
different colours and has different numbers
vc ?ku dks bl izdkj dkVk tkrk gS fd 1 lseh- 1(from 1 to 6). Number 1 is opposite of 4 and
lseh- 1 lseh- ds ?kuksa dk fuekZ.k gksrk gSAnumber 2 is opposite of 6. Orange face has
16. How many cubes have teo sides painted number 1. The opposite face of orange is black
jaxghu gSa\
(a) 44
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and remaining sides unpainted?
(b) 52
and has number 4. When orange is facing you,
the top is pink and has number 3 on it. The
,sls fdrus ?ku gSa ftudh nks lrgsa jaxhu o 'ks"k lrgsa
surface which is painted grey, when placed
facing you, has number 1 on the top, number
2 on itsright face and is painted blue on its
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(c) 48 (d) 56 left. White and blue are on opposite faces.
17. How many cubes have no sides painted? ,d ikls dh fofHkUu lrgksa dks fofHkUu jaxks ls jaxk x
fofHkUu la[;k, (1 ls 6 rd) vafdr la[;k 1 gSA ukjaxh dh
,sls fdrus ?ku gSa ftudh dksbZ lrg jaxhu ugha gSa\
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(a) Grey/xzs
tc ukjaxh lrg dk eq[k vkidh vksj gks rFkk la[;
vkids nk;ha vksj gks rks fuEu esa ls dkSu&lh la[
(b) Pink/xqykch
gksxh\
(c) Blue/uhyk (a) 3 (b) 6
(d) White/liQsn (c) 4 (d) 5
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