-
A can complete a piece of work in 18 days, B in 20 days and C in 30 days. B and C together start the work and are forced to leave after 2 days. The time taken by A alone to complete the remaining work is
-
- 10 days
- 12 days
- 15 days
- 16 days
Correct Option: C
(B + C)’s 2 days’ work
| = 2 |  | + |  | = 2 | | | |||
| 30 | 20 | 60 |
| = | part | |
| 6 |
| Remaining work = 1 - | = | part | ||
| 6 | 6 |
∴ Time taken by A to complete this part of work
| = | × 18 = 15 days | |
| 6 |
