If 4 men reap 40 acres in 30 days, how many acres will 18 men reap in 12 days ?




If 4 men reap 40 acres in 30 days, how many acres will 18 men reap in 12 days ?

A. 57 Acres

B. 64 Acres

C. 76 Acres

D. 72 Acres

Answer : D. 72 Acres


Explanation:


    By Direct approach :
    More men, more acres
    More days, more acres
    so,
    4 / 18 : 30 / 12 = 40 / x
    x = (18 x 12 x 40) / (4 x 30)
    72 acres


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