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45 men can complete a work in 16 days. Four days after they started working, 36 more men joined them. How many days will they now take to complete the remaining work ?
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- 6 days
- 8 days
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6 2 days 3 -
7 3 days 4
Correct Option: C
| 45 men’s 4 days’ work = | 4 |
Remaining work
| = 1 - | = | |||
| 4 | 4 |
| = | ||||
| W1 | W2 |
| = | ||||
| 1 | 3/4 |
| ⇒ D2 = | = 6 | days | ||
| 27 × 4 | 3 |
Aliter : Using Rule 10,
Here, A = 45, a = 16
b = 4, B = 36
Required days
| = | days | (A + B) |
| = | (45 + 36) |
| = | 81 |
| = | = 6 | days | ||
| 3 | 3 |
