UTETJAN17,q101

101The ratio of annual incomes of P and Q is 4 : 3 and, the ratio of their expenditures is 3 : 2. If both of them save ₹600 in the end of year then difference of their income is

Option : C
Explanation : Let the income of P and Q are 4x and 3x and expenditures of P and Q are 3y and 2y.
∴ 4x-3y = 600 ...(i)
3x - 2y = 600 ...(ii)
∴ From Equations (i) and (ii), we get
x = 600 = difference in income.

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