An amount of money is to be divided between P, Q and R in the ratio of 3:7:12. If the difference between the shares of P and Q is Rs.2400, what will be the difference between Q and R's share?	Choose the correct choice from the following:	A) 2211	B) 3000	C) 2772	D) 1211	E) 1321
4 --- 2000   5 --- ? =&gt; 3000   Answer: 3000
<result>B</result>
An amount of money is to be divided between P, Q and R in the ratio of 3:7:12. If the difference between the shares of P and Q is Rs.2400, what will be the difference between Q and R's share?