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    Question

    At what time will ₹3,200 invested at 10% per annum

    compounded quarterly become ₹3,362?
    A 2 years Correct Answer Incorrect Answer
    B 1/2 year Correct Answer Incorrect Answer
    C 2 (1/2) years Correct Answer Incorrect Answer
    D 1/4 year Correct Answer Incorrect Answer

    Solution

    P= 3200, A =3362, r= 10% yearly =10/4 Quarterly. A =P (1+r/100) t 3362 =3200(1+10/4×100) t 3362/3200 = (1+1/40) t 1681/1600 = (41/40) t (41/40)2 = (41/40) t Compare both sides – t =2 Quarter =1/2 year.

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