debasish Sarkar
debasish Sarkar
8 years ago

A sum of money was invested at a certain rate for 2 years . Had it been invested at 3% higher rate of interest , it would have fetched Rs.450 more . The sum invested was.

A. 7500

B. 600

C. 5000

D. 4500


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Comments ( 1 )

  1. Kumar Chandan
    Kumar Chandan :
    8 years ago

    Let Sum P was invested for time 2 years.
    First Rate = R
    Second rate = R +3
    Difference = 450
    [PT(R +3) - PTR]/100 = 450
    PTR + 3PT - PTR = 450 *100
    PT = 15000
    P *2 = 15000
    P = 7500.
    Sum = Rs. 7500.

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