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If 25 persons can complete a work in 140 days, then how many persons will be required to complete the same work in 70 days?

A70

B50

C80

D40

Answer:

B. 50

Read Explanation:

M1D1 = M2D2 25 × 140 = 70 × M2 M2 = (25×140)/70 M2 = 25 × 2 = 50


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