A, B and C have Rs.500 between them, A and C together have Rs.200 and B and C Rs.340. How much does C have?	Choose the correct choice from the following answers.
A) 50 B) 40 C) 267 D) 29 E) 27

Rationale: "a + b + c = 500 a + c = 200 b + c = 340 - - - - - - - - - - - - - - a + b + 2 c = 540 a + b + c = 500 - - - - - - - - - - - - - - - - c = 40 answer : b"
Answer: B