Time And Work Ques 46

Question-

The part of work done by 9 boys and 3 men together in one day is four times the work done by a boy and a man together. What is the respective ratio of work done by a boy and a man ?

(1) $5: 1$

(2) $1: 5$

(3) $4: 1$

(4) $1: 4$

(5) None of these

Show Answer

Correct Answer: (2)

Solution: (2)

9 boys +3 men $\equiv 4$ boys +4 men

$\Rightarrow 5$ boys $\equiv 1$ man

$\therefore$ Required ratio $=1: 5$