Income and expenditure of a person are in the ratio 5 : 4. If the income of the person is Rs. 15000, then find his savings?  Choices:
A) 3600 B) 3607 C) 3608 D) 3602 E) 3000

Rationale: "let the income and the expenditure of the person be rs . 5 x and rs . 4 x respectively . income , 5 x = 15000 = > x = 3000 savings = income - expenditure = 5 x - 4 x = x so , savings = rs . 3000 . answer : e"
Answer: E