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    Question

    Meera spends 30% of her income on house rent and then

    uses 25% of the remaining money on groceries. From what is left, she deposits 40% in her bank. The rest she invests in mutual funds and bonds in the ratio 7:3. If the difference between the amounts invested in mutual funds and bonds is Rs. 12,600, find the amount deposited in the bank by Meera.
    A Rs.21,700 Correct Answer Incorrect Answer
    B Rs.21,000 Correct Answer Incorrect Answer
    C Rs.31,000 Correct Answer Incorrect Answer
    D Rs.27,120 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ, Let Meera’s income be Rs. β€˜100x’ Rent = 100x Γ— 0.30 = Rs. β€˜30x’ Remaining = 100x βˆ’ 30x = Rs. β€˜70x’ Groceries = 70x Γ— 0.25 = Rs. β€˜17.5x’ Remaining = 70x βˆ’ 17.5x = Rs. β€˜52.5x’ Bank deposit = 52.5x Γ— 0.40 = Rs. β€˜21x’ Remaining = 52.5x βˆ’ 21x = Rs. β€˜31.5x’ Investment split = 7 : 3 (total parts = 10) Mutual funds = 31.5x Γ— (7/10) = Rs. β€˜22.05x’ Bonds = 31.5x Γ— (3/10) = Rs. β€˜9.45x’ ATQ; Difference = 22.05x βˆ’ 9.45x = 12.6x = 12600 So, β€˜x’ = 12600 / 12.6 = 1000 Hence, bank deposit = Rs. β€˜21x’ = 21 Γ— 1000 = Rs. 21,000

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