Ratio And Proportion Ques 17
Question-
If 7 boys and 2 men working together can do three times as much work per hour as a boy and a man together, what will be the respective ratio of work done by a boy and a man for the given time?
(1) $3: 1$
(2) $1: 2$
(3) $1: 3$
(4) $2: 3$
(5) $1: 4$
(IBPS Bank PO/MT CWE-V Main Exam. 31.10.2015)
Show Answer
Correct Answer: (5)
Solution: (5)
7 boys +2 men $= 3$ boys +3 men
$\Rightarrow 4$ boys $= 1$ man
$\therefore$ Required ratio $=1: 4$