-
A and B together can complete a work in 8 days. B alone can complete that work in 12 days. B alone worked for four days. After that how long will A alone take to complete the work ?
-
- 15 days
- 18 days
- 16 days
- 20 days
Correct Option: C
Time taken by A
| = | = | = 24 days | ||
| 128 | 4 |
| Work done of by B = | = | |||
| 12 | 3 |
Remaining work
| = 1 - | = | |||
| 3 | 3 |
∵ A can complete a work in 24 days
| ∴ A can complete | part of work in 24 × | = 16 days | 3 | 3 |
