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SSC Quantitative Aptitude Simple Interest Question Bank Simple and Compound Interest (II)

  • question_answer
    A sum of money placed at compound interest doubles itself in 5 yr. It will amount to eight times itself at the same rate of interest in [SSC CGL Tier n, 2015]

    A) 15 yr

    B) 12 yr

    C) 20 yr

    D) 10 yr

    Correct Answer: A

    Solution :

    [a]
    Year Times
    5 2
    \[5\times 3\] \[8={{2}^{3}}\]
    \[=15\] \[\therefore \]    Required answer = 15 yr


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