5 men are equal to as many women as are equal to 8 boys. All of them earn Rs.105 only. Menâ€™s wages are?  Choose the correct answer:
A) 6 rs  B) 7 rs  C) 8 rs  D) 4 rs  E) 1 rs

Rationale: "5 m = xw = 8 b 5 m + xw + 8 b - - - - - 105 rs . 5 m + 5 m + 5 m - - - - - 105 rs . 15 m - - - - - - 105 rs . = > 1 m = 7 rs . answer : b"
Answer: B