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15 men take 20 days to complete a job working 8 hours a day. The number of hours a day should 20 men take to complete the job in 12 days
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- 5 hours
- 10 hours
- 15 hours
- 18 hours
Correct Option: B
We can easily to solve this question with the help of given formula ,
M1 D1 T1 = M2 D2 T2
⇒ 15 × 20 × 8 = 20 × 12 × T2
| ⇒ T2 = | = 10 hours | |
| 20 × 12 |
