Time and Work Free Question Bank
A can lay railway track between two given stations in 16 days and B can do the same job in 12 days. With help of C, they did the job in 4 days only. Then, C alone can do the job in:
A
| 9 | 1 | days |
| 5 |
B
| 9 | 2 | days |
| 5 |
C
| 9 | 3 | days |
| 5 |
D 10
E NA
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