Question
Monthly savings of X is 60% of his monthly income which
is Rs. 9000. If ratio of monthly expenditure of Y and X is 15:8 respectively and monthly savings of X is 25% more than that of Y then find monthly income of Y.Solution
Monthly savings of X = 0.60 × 9000 = Rs. 5400 Monthly expenditure of X = 9000 – 5400 = Rs. 3600 Monthly expenditure of Y = (15/8) × 3600 = Rs. 6750 Monthly savings of Y = 6750/1.25 = Rs. 4320 Monthly income of Y = 6750 + 4320 = Rs. 11070
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