If 15 men can reap a field in 28 days; in ___ days, 5 men can reap it.
The number of days taken by 15 men to reap a field = 28
The number of days taken by 1 man to reap a field = 28 x 15
The number of days taken by 5 men to reap a field = 28×155 = 84 days
If 32 men can reap a field in 15 days, then in how many days can 20 men reap the same filed ?
18 men can reap a field in 35 days. For reaping the.same field in 15 days, how many men are required ?