A) 2 : 1
B) 3 : 1
C) 2 : 3
D) 5 : 4
Correct Answer: A
Solution :
[a] 5 days work of 12 men and 16 boys = 4 days work of 13 men and 24 boys One day's work of 60 men and 80 boys = One day's work of 52 men and 96 boys \[\Rightarrow \]One day's work of 1 man = 1 day's work 1 boy Thus, the ratio of the daily work done by a man to that of a boy is 2 : 1. |
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