If 4 men can reap a field in 5 days, working 12 hours a day, in how many days can 10 men reap the same field, working 8 hours a day?
Show answer & explanation
Correct answer: A
Explanation
The correct answer is Option 1 i.e. 3.
M1D1H1 = M2D2H2
⇒ 4 × 5 × 12 = 10 × D2 × 8
⇒ D2 = 240/80 = 3 days