Question
The ratio of the incomes of two employees is 7 : 4, and
the ratio of their expenditures is 3 : 1. If each of them manages to save ₹4,800 per month, find the sum of their monthly incomes (in ₹).Solution
ATQ: (7x - 4800)/(4x - 4800) = 3/1 7x - 4800 = 12x - 14400 5x = 9600 x = 1920 Required sum = 7x + 4x = 11x = 11 × 1920 = 21120Â
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