Income and expenditure of a person are in the ratio 5 : 3. If the income of the person is Rs. 10000, then find his savings?  Choose the correct option:
A) rs . 4000  B) rs . 3603  C) rs . 3639  D) rs . 3632  E) rs . 3602

Rationale: "let the income and the expenditure of the person be rs . 5 x and rs . 3 x respectively . income , 5 x = 10000 = > x = 2000 savings = income - expenditure = 5 x - 3 x = 2 x so , savings = rs . 2 * 2000 = rs . 4000 answer : a"
Answer: A