Question

15 WOMEN CAN DO HALF THE WORK IN 20 DAYS. 20 WOMEN CAN DO FULL WORK IN HOW MANY DAYS

Answer 1

Answer:

15 women = 20 days

1 women = 20/15

20 women =  (20/15) × 20

                   = 26.66 days (approx)

Answer 2

• by indirect proportion let the days needed by women to complete work no of women. and days = 15 women ,20 days 20 women,let the day be x ratio of women s 20 ×x = 15×20 since ratio of women is to inverse ratio of days = 20x=15×20x.x= 15×20/20= 15 days by cancelling