Question
The sum of the monthly incomes of ‘A’, ‘B’ and
‘C’ is Rs. 85000 which is 4 times the monthly income of ‘C’. If ‘A’ spends 75% of his income while ‘B’ spends 80% of his income and the sum of their savings is Rs. 18900, then find the savings of ‘A’.Solution
Monthly income of ‘C’ = 85000/4 = Rs. 21250 Let the monthly income of ‘A’ be Rs. x Therefore, monthly income of ‘B’ = Rs. (63750 – x) According to the question, 0.25x + 0.20(63750 – x) = 18900 Or, 0.05x = 6150 x = 123000 Or, savings of ‘A’ = 0.25x = Rs. 30750
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