Question

The ratio of the monthly incomes of Mr Anand and Mr Milind is ` 9 : 10` and the ratio of their monthly savings is ` 9 : 10`. If the monthly expenditure of Mr Milind is Rs. 15,000, then find the monthly expendicure of Mr Anand (in Rs.).
A. `Rs. 12,000`
B. Rs. 9000
C. Rs. 8500
D. `Rs. 13,500`

Answer 1

Correct Answer - D
Lat the incomes of Mr Anand and milind be 9x and 10x , and their savings be 9y and 10 y.
`:.` The ratio of expenditures of Mr Anand and Mr Milind = `(9x-9y)/(10x-10y)`
` = (9(x-y))/(10(x-y)) = 9/10`.
Given that the expenditure of Mr Milind is Rs. 15,000.
`:.` The expenditure of Mr Anand (in Rs.)
` = 9/10 (15,000) = 13,500`.