the age of father is equal to sum of ages of his 4 children . after 20 years sum of ages of the children will be twice of age of father
wwefanclub078
Asked:
December 2022
4 men and 6 boys can finish a piece of work in 20days while 3 men and 4 boys can finish it in 28days. Find the time taken by 1 man alone or that by 1 boy alone