Question

2 men and 3 boys can doba piece of work in 3 days while 3 men and 2 boys can do the same work in 8 days .In how many days can 2 men and 1 boy do the work?

Answer 1

2 men and 3 boy can do a piece of work in 3 days .

3 men and 2 boy can do a piece of work in 8 days

3 men and 2 boys can do a piece of work in 1 day = 1/3 + 1/2

= 5/6

1 men and 2 boy can do a piece of work in 1 day = 1/3+5/6

= 7/6

1 men and 1 boy can do a piece of work in 1 day = 1/2+7/6

= 10/6

2 men and 1 boy can do a piece of work in 1 day = 10/6×2

=10/3