-
60 men could complete a work in 250 days. They worked together for 200 days. After that the work had to be stopped for 10 days due to bad weather.
How many more men should be engaged to complete the work in time ?
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- 10
- 15
- 18
- 20
Correct Option: B
Using Rule 1,
60 men can complete a work in 250 days.
∴ Work done by 60 men in 1 day
| = | 250 |
⇒ Work done by 60 men in 200 days
| = | = | |||
| 250 | 5 |
Remaining work
| = 1 - | = | |||
| 5 | 5 |
Work is stopped for 10 days.
Now, 1/5 work is to be complete by x men in 40 days.
60 men can complete 1/5 work in 50 days.
∴ 40 : 50 : : 60 : x
⇒ 40 x = 50 × 60
| ⇒ x = | = 75 | 40 |
Hence, 15 more men should be engaged
