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A and B together can complete a piece of work in 12 days. They worked together for 5 days and then A alone finished the rest of the work in 14 days. A alone can complete the work in
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- 24 days
- 22 days
- 20 days
- 18 days
Correct Option: A
| ∵ (A + B)’s 1 day’s work = | |
| 12 |
| ∴ (A + B)’s 5 days’ work = | |
| 12 |
| Remaining work = 1 – | = | ||
| 12 | 12 |
| ∵ A does | work in 14 days | |
| 12 |
| ∴ A will do 1 work in = | = 24 days; | |
| 7 |
