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    Question

    A certain sum of money invested at a rate of 48% p.a.

    amounts to Rs. 20736 at the end of 15 months if the rate of interest is compounded 5 monthly. Find the sum (in Rs.).
    A 12500 Correct Answer Incorrect Answer
    B 12600 Correct Answer Incorrect Answer
    C 18000 Correct Answer Incorrect Answer
    D 12000 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Desired rate = (5/12) × 48 = 20% Let the sum is Rs. ‘P’. So, 1.20 × 1.20 × 1.20 × P = 20736 Or, P = 12000

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