Question

A man, a woman and a boy can do a work in 20, 30 and 60 days respectively. How many boys must assist 2 men and 8 women to do the work in 2 days?

Answer 1

Answer:

Step-by-step explanation:

2 men and 8 women)'s one day work is  

= [(2×3)+(18×2)]

=6+16 = 22 units  

In 2 days (2 men + 8 women) will do = 44 units Remaining work60−44 = 16 units will be completed by boys in 2 days.

So, 8 units of work will be done by boys in 1 day and one boy does one units / days.So 8 boys are required to do 8 units. = 8 boys