P, Q and R have Rs.9000 among themselves. R has two-thirds of the total amount with P and Q. Find the amount with R?
Choose the correct choice from the following answers.
A) rs . 3000	B) rs . 3600	C) rs . 2400	D) rs . 4000	E) none of these

Rationale: "let the amount with r be rs . r r = 2 / 3 ( total amount with p and q ) r = 2 / 3 ( 9000 - r ) = > 3 r = 18000 - 2 r = > 5 r = 18000 = > r = 3600 . answer : b"
Answer: B