Question

45 men can do a piece of work in 20 days. How many more men are needed to complete the work in 12 days?​

Answer 1

Answer:

45 men can finish a task in 16 days. After 6 days, 30 more men join them. How many days, will they all, now take to complete the remaining task? (A) 6 (B) 8 (C) 10 (D) 12

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Answer 2

Answer:

let the man be x

45:20::x:12

45Xx=20X12

45x=240

x=240/45

x=5.33

approximately 5 to 6 persons are required

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