If 8 men and 3 boys working together can do five times as much work per hour as a man and a boy together, working capacities of a man and a boy are in the ratio-

Question: If 8 men and 3 boys working together can do five times as much work per hour as a man and a boy together, working capacities of a man and a boy are in the ratio-

Solution:
Let,
1 man 1 day work = p
1 boy 1 day work = q

Now,
8p + 3q = 5(p + q)
or, 8p + 3q = 5p + 5q
or, 8p - 5p = 5q - 3q
or, 3p = 2q
or, p/q = 2/3
∴ p : q = 2 : 3