Maths If 400 men working 9 hours a day can complete 1/4th of a work in 10 days, then how many extra men should be employed so that all of them working 8 hours a day can complete the remaining work in 20 days?
| Q.201349: If 400 men working 9 hours a day can complete 1/4th of a work in 10 days, then how many extra men should be employed so that all of them working 8 hours a day can complete the remaining work in 20 days? |
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