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    1. Home
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    3. Quantitative Aptitude
    4. Simple and compound interest
    5. A sum triples itself in 8 years at simple interest. Find the rate of interest per annum is.

    Question

    A sum triples itself in 8 years at simple interest. Find

    the rate of interest per annum is.
    A 25% Correct Answer Incorrect Answer
    B 20% Correct Answer Incorrect Answer
    C 35% Correct Answer Incorrect Answer
    D 33.33% Correct Answer Incorrect Answer

    Solution

    Short trick – R= [(n-1)/t] ×100  8years    = 3 times = 3-1=2 Then rate of interest = (2/8) ×100 =25%

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