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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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