A, B and C have Rs.700 between them, A and C together have Rs.300 and B and C Rs.600. How much does C have? Choose the correct option.
A) 200  B) 250  C) 300  D) 350  E) 400

Rationale: "a + b + c = 700 a + c = 300 b + c = 600 - - - - - - - - - - - - - - a + b + 2 c = 900 a + b + c = 700 - - - - - - - - - - - - - - - - c = 200 answer : a"
Answer: A