Question

    Shristi’s income is 20% less than Alka’s income, and

    their expenditure ratio is 2:3 respectively. Shristi and Alka save Rs. 22,000 and Rs. 23,000, respectively. If Alka allocates 25% of his income toward rent, calculate how much Alka spends on rent.
    A Rs. 14,400 Correct Answer Incorrect Answer
    B Rs. 8,500 Correct Answer Incorrect Answer
    C Rs. 12,500 Correct Answer Incorrect Answer
    D Rs. 10,800 Correct Answer Incorrect Answer
    E Rs. 16,000 Correct Answer Incorrect Answer

    Solution

    Let the income of Alka be Rs. '5x'. So, income of Shristi = 0.80 X 5x = Rs. '4x' So, expenditure of Shristi = Rs. (4x - 22,000) And, expenditure of Alka = Rs. (5x - 23,000) ATQ, (4x - 22000) ÷ (5x - 23000) = (2/3) Or, 12x - 66000 = 10x - 46000 So, 'x' = (20000/2) = 10,000 Therefore, expenditure of Alka on rent = 5x X 0.25 = 50,000 x 0.25 = Rs. 12,500 

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