Question

12 men or 15 woman can finish a work in 21 day .in how many day the same work be done by 6 men and 10 woman solution

Answer 1

No. of men can complete the task in21 days =12

No. of women can complete the task in 21 days =15

the no. of men or women and the no. of days required to complete the task is in inverse proportion

therefore th ratio is constant

12*21 =252

252 ➗ 6

=42

15*21=315

315 ➗ 10 = 31.5

1. Ans. 6 men would take 42 days
2. Ans. 10 women would take 31.5 days