SSC MTS & Havaldar 2011 · Question 40 of 74

Ratio between the monthly income of A and B is 9 : 8 and the ratio between their expenditures is 8 : 7. If they save Rs. 500 each, find A’s monthly income.

ARs.3,500
BRs.4,000
CRs.4,500Correct
DRs.5,000

Answer: C. Rs.4,500

Explanation

Let monthly income of A = Rs. 9x and B = Rs. 8x Similarly, expenditure of A = Rs. 8y and expenditure of B = Rs. 7y => Savings = 9x − 8y = 500------- (i) and 8x − 7y = 500--------- (ii) Solving above equations, we get : x = 500 ∴ A's monthly income = 9 × 500 = Rs. 4, 500

Source: Solved SSC MTS 20 February 2011 Shift 1 Paper with Solutions · reliable-secondary

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