The monthly incomes of Aryan and Babban are in the ratio 3 : 4 and their monthly expenditures ar...

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This is the Solution of Question From RD SHARMA book of CLASS 12 CHAPTER MATRICES This Question is also available in R S AGGARWAL book of CLASS 12 You can Find Solution of All Question From RD SHARMA and R S AGGARWAL book from class 6-12 on our app DOUBTNUT for Free

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==== QUESTION TEXT ====

The monthly incomes of Aryan and Babban are in the ratio 3 : 4 and their monthly expenditures are in the ratio 5 : 7. If each saves Rs. 15000 per month, find their monthly incomes using matrix method. This problem reflects which value?

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