A and B enterd into a partnership investing Rs.16,000 and Rs.12,000 respectively.After 3 months,A withdrew Rs.5000 while B invested Rs.5000 more.After 3 more months.C joins the business with a capital of Rs.21,000.The share of B exceeds that of C,out of a total profit of Rs.26,400 after one year by	Choose the correct option
A) Rs.2400 B) Rs.3000 C) Rs.3600 D) Rs.4800 E) None of these
Solution   A : B : C = (16000x3+11000x9) : (12000x3+17000x9): (21000x6)   = 147 : 180 : 126 = 7 : 9 : 6.   ∴ Difference of B and C’s shares = Rs. (26400x9/22-26400x6/22) = Rs. 3600. Answer Rs.3600
<result>C</result>
A and B enterd into a partnership investing Rs.16,000 and Rs.12,000 respectively.After 3 months,A withdrew Rs.5000 while B invested Rs.5000 more.After 3 more months.C joins the business with a capital of Rs.21,000.The share of B exceeds that of C,out of a total profit of Rs.26,400 after one year by