If 30 men working 9 hours daily can reap a field in 16 days then 36 men working 8 hours daily will finish it in
If 30 men working 9 hours daily can reap a field in 16 days then 36 men working 8 hours daily will finish it in
A: 15
B: 25
C: 18
D: 10
Work is proportional to men × hours × days. Total work = 30 × 9 × 16 = 4320 man hours. With 36 men working 8 hours daily per day work = 288 man hours. Required days = 4320 ÷ 288 = 15 days. Therefore 36 men working 8 hours per day will finish in 15 days.