Gagan and Magan have their monthly incomes in the ratio of 9:7 while their monthly expenditures are in the ratio of 6:5, if they have saved Rs. 15000 and 12000 months respectively, then the difference in their monthly income is?

Let the monthly income of Gagan and Magan be 9x and 7x respectively. According to the question, (9x-15000)/(7x-12000) = 6/5 45x-75000 = 42x-72000 3x = 3000 x = 1000 Difference in Monthly Income = (9x-7x) = 2×1000 = Rs.2000

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