Twenty four men can do a work in 42 days. How many men are required to complete the work in 36 days? Choose the correct option.
A) 20
B) 28
C) 50
D) 40
E) 60
B   28   We have M1 D1 = M2 D2   So, 24 * 42 = M2 * 36 =&gt; M2 = 28.   Answer is 28
<result>B</result>
Twenty four men can do a work in 42 days. How many men are required to complete the work in 36 days?