If 12 men and 16 boys can do a piece of work in 7 days and 13 men together will 24 boys can do it in 4 days. Compare the daily work done by a man with that of a boy.
Choose one:  A) 1:4  B) 1:2  C) 1:3  D) 2:1  E) 4:1
12M + 161:2 ----- 7 days   13M + 241:2 ------- 4 days   84M + 1121:2 = 52M + 961:2   32M = 161:2 =&gt; 2M = 1:2   M: 1:2 = 1:2   ANSWER:1:2
<result>B</result>
If 12 men and 16 boys can do a piece of work in 7 days and 13 men together will 24 boys can do it in 4 days. Compare the daily work done by a man with that of a boy.