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    Question

    A man deposited 25% of his salary to a bank which offers

    compound interest at the rate of 10% p.a. If the interest earned by him from the bank after 2 years is Rs. 3360, find the monthly expenditure of the man which is 54% of his monthly salary. 
    A Rs. 34560 Correct Answer Incorrect Answer
    B Rs. 26500 Correct Answer Incorrect Answer
    C Rs. 55000 Correct Answer Incorrect Answer
    D Rs. 15600 Correct Answer Incorrect Answer

    Solution

    Let the amount of money deposited in the bank be Rs. ‘x’. So, x × [(1.1)2 – 1] = 3360 0.21x = 3360, x = 16000 So, monthly income of man = 16000/0.25 = Rs. 64000 Required monthly expenditure of man = 54% of 64000 = Rs. 34560

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