A starts business with Rs. 3500 and after 5 months, B joins with A as his partner. After a year, the profit is divided in the ratio 2:3. What is B's contribution in the capital
Choose the correct choice.
A) rs 9000
B) rs 7000
C) rs 5000
D) rs 4000
E) none of these

Rationale: "explanation : let b contribution is x . 3500 * 12 / 7 x = 2 / 3 = > 14 x = 126000 = > x = rs 9000 option a"
Answer: A