A and B enter into a partnership. A contributed Rs.5000 for 8 months and B Rs.6000 for 5 months. Find A's share in a total profit of rs.8400.
Choose the correct choice from the following answers: A) rs . 4800 B) rs . 2400 C) rs . 3600 D) rs . 5600 E) none of these

Rationale: explanation : ratio of capitals of a and b = ratio of their investments = 5000 × 8 : 6000 × 5 = 40000 : 30000 = 4 : 3 . : a ' s share = rs . [ ( 4 / 7 ) × 8400 ] = rs . 4800 answer : option a
Answer: A