Working 7 hours in a day, 4 men can do a piece of work in 8 days. Working 8 hours in a day, the required number of men to perform the same work in 4 days will be?
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. 7
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Understanding |
Application |
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We have: M1 = 4, D1 = 8 and H1 = 7 And D2 = 4, H2 = 8 and M2 = ? |
We know: M1D1H1 = M2D2H2 (4 × 8 × 7) = (M2 × 4 × 8) M2 = 7 Hence, Required men = 7 |