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5 men can do a piece of work in 6 days while 10 women can do it in 5 days. In how many days can 5 women and 3 men do it ?
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- 4 days
- 5 days
- 6 days
- 8 days
Correct Option: B
5 × 6 men = 10 × 5 women
⇒ 3 men = 5 women
∴ 5 women + 3 men = 6 men
∵ 5 men complete the work in 6 days
∴ 6 men will complete the work in
| = | = 5 days | 6 |
Aliter : Using Rule 14,
Here, A = 5, a = 6
B = 10, b = 5
A1 = 3, B1 = 5
| Time taken = | |||
| + | |||
| A × a | B × b | ||
| = | |||
| + | |||
| 5 × 6 | 10 × 5 | ||
| = | = 5 days | |||
| + | ||||
| 10 | 10 | |||
