Question
The monthly incomes of P and Q
are in the ratio 3:4. P’s monthly expenditure is 25% less than that of Q. If P and Q save Rs. 9,450 and Rs. 12,600 per month, respectively, what is their average monthly income?Solution
ATQ, Let the monthly expenditure of 'Q' be Rs. ‘x’. So, the monthly expenditure of 'P' = Rs. 0.75x According to question: (x + 12600)/(0.75x + 9450) = 4/3 3x + 37800 = 3x + 37800 0 = 0 Here ‘x’ is eliminated. So, the desired answer can’t be determined
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