Question

If 25 men, working 8 hours a day , can reap a field in 20 days, then in how many days will 16 men reap the field, working 10 hours a day ?

Answer 1

Answer:

Let the required number of days be x. More men Less days indirect proportion Less hours per day More days indirect proportion Men 18 : 15 Hours per day 8: 9 : :16 : x 18 x 8 x x=15 x 9 x 16x=44 x 15144 = 15 Hence required number of days = 15.

Answer 2

Let the required number of days be x. More men Less days indirect proportion Less hours per day More days indirect proportion Men 18 : 15 Hours per day 8: 9 : :16 : x 18 x 8 x x=15 x 9 x 16x=44 x 15144 = 15 Hence required number of days = 15.