Question

    The income of ‘A’ increases by 30% every year. If

    his income 3 years hence from now will be Rs. 34273.2, then find his income a year before from now.
    A Rs. 10000 Correct Answer Incorrect Answer
    B Rs. 13000 Correct Answer Incorrect Answer
    C Rs. 15000 Correct Answer Incorrect Answer
    D Rs. 12000 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Let the present income of ‘A’ be Rs. x Therefore, x(1 + 30/100)3 = 34273.2 Or, x = 34273.2/(1.3)3 = 15600 Therefore, his income a year before from now = 15600/1.3 = Rs. 12000

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