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    Question

    Out of the total income of Ravi, he spends 50% on food,

    10% on rent and 20% on groceries. Out of the remaining income, he donates 30% in a charity and saves the rest. If Ravi saves Rs. 2,100, then find his income.
    A Rs.20,000 Correct Answer Incorrect Answer
    B Rs.15,000 Correct Answer Incorrect Answer
    C Rs.25,000 Correct Answer Incorrect Answer
    D Rs.22,000 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ, Let the income of Ravi be Rs. '100x' Amount spent on food = '100x' X 0.5 = Rs. '50x' Amount spent on rent = '100x' X 0.1 = Rs. '10x' Amount spent on groceries = '100x' X 0.2 = Rs. '20x' Remaining income = ('100x' - '50x' - '10x' - '20x') = Rs. '20x' Savings of Ravi = '20x' X 0.7 = 2,100 Or, 14x = 2,100 Or, x = 2,100 ÷ 14 = 150 Therefore, income of Ravi = 100x = 100 X 150 = Rs. 15,000

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