2 men and 4 boys can complete a work in 4 days. 5 men and 6 boys can complete the same work in 3 days. The work done by 2 boys is equal to the work of how many men? Options:
A) 4
B) 5
C) 6
D) 7
E) 8

Rationale: exp : ( 2 m + 4 b ) ’ s one day ’ s work = 1 / 4 ( 5 m + 6 b ) ’ s one day ’ s work = 1 / 3 = > ( 8 m + 16 b ) ’ s one day ’ s work = ( 15 m + 18 b ) ’ s one day ’ s work = > 7 men ’ s work = 2 boy ’ s work so , we should be employ 5 more men to be completed the work . answer : b
Answer: B