The ratio between the annual incomes of A and V is 4 3 and between their annual expenditures is 3 2 ...........

Quantitative Aptitude ( CCS) Ratio, Proportion

The ratio between the annual incomes of A and V is 4 : 3 and between their annual expenditures is 3 : 2. If at the end of a year both save Rs. 600 each, find the difference in the income.

Rs. 450

Rs. 500

Rs. 600

Rs. 750

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Explanation:

Let their income be 4x and 3x
let their expenditure be 3y and 2y
income - exp = saving
so, 4x - 3y = 600
3x - 2y = 600
on solving
8x - 6y = 1200
- 9x + 6y = 1800
x = 600
y = 600
income of a = 4×600= 2400
income of b = 3×600 = 1800

Difference = 2400 - 1800 = 600

Hence, option 3 is the correct answer.