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    Question

    Person 'X' allocates 20% of his income to food. From the

    remaining amount, he spends 25% on education. Then, he uses 30% of what is left after food and education expenses on rent. After spending Rs. 4000 on spare items, he is left with Rs. 4400. What is his total income?
    A Rs.25,000 Correct Answer Incorrect Answer
    B Rs.20,000 Correct Answer Incorrect Answer
    C Rs.32,000 Correct Answer Incorrect Answer
    D Rs.38,000 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ,

    Let the income of  a perosn 'X' be Rs. x Amount spent by him on food = Rs. 0.2x Amount spent by him on education = 0.25 × (x – 0.2x) = Rs. 0.2x Amount spent by him on rent = 0.3 × (x – 0.2x – 0.2x) = Rs. 0.18x ATQ, x – (0.2x + 0.2x + 0.18x + 4000) = 4400 Or, x = 8400/0.42 = Rs.20,000 

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