Question
Ratio of monthly income to monthly expenditure of A is
20:7, respectively and monthly savings of A is Rs. 3900. Find the monthly income of A.Solution
Let, monthly income and monthly expenditure of A is Rs. 20x and Rs. 7x respectively. So, monthly savings of A = 20x – 7x = Rs. 13x And, 13x = 3900 x = 300 So, monthly income of A = 20 × 300 = Rs. 6000
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