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(IGP) IAS Pre Paper - 2: GS - Basic Numeracy - Unitary Method (MCQ -4)
Basic Nmeracy
Unitary Method (MCQ -4)
1. Cost of 24 pens is Rs 96. Find the cost of 16
such pens.
(a) Rs 66
(b) Rs 64
(c) Rs 62
(d) Rs 68
2. Cost of 8 dozen bananas is Rs 180.
How many bananas can be purchased for Rs 30?
(a) 16 bananas
(b) 24 bananas
(c) 14 bananas
(d) 22 bananas
3. A man pays Rs 13000 as rent for 4
months. How much does he pay for the whole year, if rent per month
remains the same?
(a) Rs 48000
(b) Rs 49000
(c) Rs 46000
(d) Rs 47000
4. 23 envelopes cost Rs 57.50. How many
envelopes can be bought for Rs 127.50.
(a) 55
(b) 56
(c) 51
(d) 53
5. 20 men can reap a field in 20 days.
When should 5 men leave the work, if the whole field is to be reaped
in 24 days after they leave the work?
(a) 2 days
(b) 4 days
(c) 3 days
(d) 5 days
6. A rope makes 125 rounds of a cylinder
with base radius 15 cm. How many time can it go round a cylinder
with base radius 25 cm?
(a) 100
(b) 75
(c) 80
(d) 65
7. 6 men finish one-fourth work in 2
days. The number of additional men required for finishing the same
work in 2 days is.
(a) 18 men
(b) 24 men
(c) 28 men
(d) 14 men
8. A certain number ofmen complete a
piece of work in 45 days. If there were 5 men more, the work could
be finished in 9 days less. How many men were originally there?
(a) 30
(b) 15
(c) 25
(d) 20
9. 10 workers can make 15 boxes in 6
days, how many boxes will 12 workers make in 3 days.
(a) 10
(b) 9
(c) 6
(d) 8
10. If 25 binders bind 25 books in 25
days. How many binders can bind 10 books in 10 days.
(a) 25
(b) 10
(c) 15
(d) 20
11. If 8 monkeys eat 8 bananas in 8 min.
How many monkeys will eat 12 bananas in 12 min?
(a) 6
(b) 8
(c) 12
(d) 10
12. If 15 men build a wall 35 m high 14
days, in how many days will 30 men build a similar wall 20 m high?
(a) 5 days
(b) 4 days
(c) 7 days
(d) 6 days
13. If 36 persons consume 180 kg of rice
in 12 days, in how many days will 42 persons consume 105 kg of rice?
(a) 6 days
(b) 8 days
(c) 4 days
(d) 9 days
14. If 8 men working 9 h a day can reap
a field in 24 days, in how many days will 12 men reap the field,
working 6 h a day?
(a) 24 days
(b) 20 days
(c) 28 days
(d) 16 days
15. If 10 men working 8 h a day can do a
piece of work in 12 days, then how many men working 10 h a day can
do the work in 16 days?
(a) 10
(b) 5
(c) 6
(d) 8
16. If 12 machines working 7 h a day can
finish a work in 18 days, in how many days will 16 machinesworking 9
h a day finish twice the work?
(a) 21 days
(b) 18 days
(c) 24 days
(d) 16 days
17. If 5 men take 21 days of 8 h each to
do a piece of work. How many days of 6 h each would 14 women take,
if 2 women do as much work as a man?
(a) 20 days
(b) 16 days
(c) 18 days
(d) 22 days
18. The work done by (m + 3) men in (m –
2) days and work done by (m – 2) men in (m + 5) days are in the
ratio 4 : 5. Find m.
(a) 5
(b) 6
(c) 4
(d) 8
19. The work done by (x + 2) men in (x –
3) days and work done by ‘x’ men in (x – 2) days is equal.Find x.
(a) 6
(b) 4
(c) 8
(d) 9
20. A garrison of 400 men has provision
for 30 days. However a reinforcement of 100men arrived. The food
will now last for.
(a) 27 days
(b) 21 days
(c) 24 days
(d) 28 days
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