Unitary Method (MCQ)

1. Cost of 8 dozen bananas is ` 180. How many bananas can be purchased for ` 30?
(a) 16 bananas
(b) 24 bananas
(c) 14 bananas
(d) 22 bananas

2. A man pays ` 13000 as rent for 4 months. How much does he pay for the whole year, if rent per month remains the same?
(a) ` 48000
(b) ` 39000
(c) ` 46000
(d) ` 47000

3. 23 envelopes cost ` 57.50. How many envelopes can be bought for ` 127.50.
(a) 55
(b) 56
(c) 51
(d) 53

4. 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

5. 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