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?A70B50C80D40Answer: B. 50 Read Explanation: M1D1 = M2D2 25 × 140 = 70 × M2 M2 = (25×140)/70 M2 = 25 × 2 = 50Read more in App