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    Question

    Ravi spends 20% of his income on house rent, 30% on

    groceries, 50% of the remaining on entertainment, and saves the rest. If the amount spent on groceries is Rs. 9,000, then find his savings.
    A Rs.7,680 Correct Answer Incorrect Answer
    B Rs.7,500 Correct Answer Incorrect Answer
    C Rs.9,520 Correct Answer Incorrect Answer
    D Rs.5,100 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ, Let the total income of Ravi be Rs. тАШ100mтАЩ
    Amount spent on rent = 0.20 ├Ч 100m = Rs. тАШ20mтАЩ
    Amount spent on groceries = 0.30 ├Ч 100m = Rs. тАШ30mтАЩ
    Remaining income = 100m тИТ 20m тИТ 30m = Rs. тАШ50mтАЩ
    Amount spent on entertainment = 0.5 ├Ч 50m = Rs. тАШ25mтАЩ
    Savings = 50m тИТ 25m = Rs. тАШ25mтАЩ
    Now, 30m = 9,000
    Or, m = 300
    Therefore, savings = 25m = 25 ├Ч 300 = Rs. 7,500

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