A and B started a business with investments of Rs. 42000, and Rs. 63000 respectively. After 4 months B withdraws from the business. At the end of a year they got Rs. 9600 as total profit. Find the share of B.	Options.
A) Rs. 5600	B) Rs. 2800	C) Rs. 3200	D) Rs. 6400	E) None of these
Explanation:   Ratio of capitals of A and B = (42000 × 12) : (63000 × 4) = 2 : 1   B's share = Rs. [(1/3) × 9600] = Rs. 3200   Answer: Option Rs. 3200
<result>C</result>
A and B started a business with investments of Rs. 42000, and Rs. 63000 respectively. After 4 months B withdraws from the business. At the end of a year they got Rs. 9600 as total profit. Find the share of B.