X and Y started a business in partnership investing Rs. 8,000 and Rs. 12,000 respectively. After nine months, Z joined them with Rs. 20,000. What will be Z's share in total profit of Rs. 20,000 earned at the end of 3 years from the starting of the business? Choose the correct option:
A) Rs. 8,751	B) Rs. 8,571	C) Rs. 9,751	D) Rs. 9,571	E) None
Solution: X : Y : Z = (8,000 * 36) : (12,000 * 36) : (20,000 * 27) = 8 : 12 : 15.   So B's share = Rs. (20000 * 15/35) = Rs. 8,571.   Answer: Option Rs. 8,571
<result>B</result>
X and Y started a business in partnership investing Rs. 8,000 and Rs. 12,000 respectively. After nine months, Z joined them with Rs. 20,000. What will be Z's share in total profit of Rs. 20,000 earned at the end of 3 years from the starting of the business?