Question

    A sum becomes five times itself in 16 years at simple

    interest. Find the value of r.
    A 25% Correct Answer Incorrect Answer
    B 45% Correct Answer Incorrect Answer
    C 18% Correct Answer Incorrect Answer
    D 10% Correct Answer Incorrect Answer

    Solution

    Let the principal be Rs. x (x ├Ч r ├Ч 16) / 100 = 5x тАУ x тЗТ 16xr / 100 = 4x тЗТ r = 25 Rate of interest = 25% per annum

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