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    Question

    A sum of Rs. 7000 is invested in a scheme of simple

    interest. The rate of interest in this scheme is 20 percent per annum. If Rs. 1750 interest is obtained, then for how many months is the sum invested?
    A 24 Correct Answer Incorrect Answer
    B 15 Correct Answer Incorrect Answer
    C 21 Correct Answer Incorrect Answer
    D 18 Correct Answer Incorrect Answer

    Solution

    ATQ, 1750 = (7000 × 20 × T)/100 ⇒ T = 175000/140000 ⇒ T = 1.25 years = 15 months ∴ Amount was invested for 15 months

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