Answer : 1 36 Explanation : Answer: A) 36 Explanation: (45 x 9)/40 = (M x 7)/56 =

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45 men working 9 hours per day dig 40 m deep. How many extra men should be put to dig to a depth of 56 m working 7 hours per day ?

Answer : 1 36 Explanation : Answer: A) 36 Explanation: (45 x 9)/40 = (M x 7)/56 =