If 9 men working 8 hours a day complete 1/3 of a piece of work in 8 days, then how many extra men should be employed to complete the remaining work working an extra hour a day? 1. 23 2. 32 3. 36 4. 46
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Step-by-step explanation:
To finish the remaining 3/5 th of work we need= 34 x 8 x 9 x 3/2 =17x8x9 x3 man- hours. Number of men required if they work for 6- days at 9- hours a day = (17 x 8 x 9 x 3)/ (6 x 9)=68 So number of extra men required =68- 34 = 34. 1.3K
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