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?
Pick:  A) 8877  B) 3000  C) 7787  D) 1799  E) 1711
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?