A, B and C invested Rs.6300, Rs.4200 and Rs.10500 respectively, in a partnership business. Find the share of A in profit of Rs.12300 after a year?
Choose the correct choice.
A) 3630	B) 3690	C) 2887	D) 9977	E) 2212

Rationale: "6300 : 4200 : 10500 3 : 2 : 5 3 / 10 * 12300 = 3690 . answer : b"
Answer: B