Question

    If the simple interest on a certain sum of money is 9/25

    of the sum and the rate percent equals the number years, then the rate of interest per annum is:
    A 14% Correct Answer Incorrect Answer
    B 6% Correct Answer Incorrect Answer
    C 8% Correct Answer Incorrect Answer
    D 12% Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Let the principal be Rs x. Then the SI = 9/25x Rate of interest = Time => r = (100 × 9/25x)/ (x × r) => r2= 900/25 => r = 6%

    Practice Next

    Relevant for Exams: