Correct Option: C
According to given question,
10 men, can complete a work in 18 days by working 6 hours a day.
1 men, can complete a work in 18 days by working 6 x 10 hours a day.
1 men, can complete a work in 1 days by working 6 x 10 x 18 hours a day.
| ∴ 15 men, can complete a work in 1 days by working | 6 x 10 x 18 hours a day. |
| 15 |
| ∴ 15 men, can complete a work in 12 days by working | 6 x 10 x 18 hours a day. |
| 15 x 12 |
| ∴ 15 men, can complete a work in 12 days by working | 1 x 10 x 6 hours a day. |
| 5 x 2 |
| ∴ 15 men, can complete a work in 12 days by working | 6 hours a day. |
| 1 |
∴
15 men, can complete a work in
12 days by working
6 hours a day.
