Question

6 boys can complete a piece of work in 16h.In how many hours will 8 boys complete same work

Answer 1

6 boys can do a piece of work in 16 hour

1 boy can complete a piece of work in 16*6 hour

8 boys can complete the work in 16*6/8

                                                      =12 hour

hence, 8 boys can complete a piece of work in 12 hour.

hope it will help you ^_^ ^_^