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    Question

    At simple interest, a sum of Rs 8,000 amounts to Rs

    9,600 in 3 years. Find the rate of interest per annum.
    A 4тЕФ% Correct Answer Incorrect Answer
    B 3тЕФ% Correct Answer Incorrect Answer
    C 6тЕФ% Correct Answer Incorrect Answer
    D 7тЕФ% Correct Answer Incorrect Answer

    Solution

    Amount = 9,600, Principal = 8,000 Simple Interest (SI) = Amount тИТ Principal = 9,600 тИТ 8,000 = Rs 1,600 SI = (P ├Ч R ├Ч T)/100 1,600 = (8,000 ├Ч R ├Ч 3)/100 1,600 = 240R R = 1,600 / 240 = 20/3 = 6тЕФ% per annum Answer: 6тЕФ% p.a.

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