A person invested a sum of Rs.P for 2 years, which is compounded annually at a rate of r% p a. Another person invested the same sum for same period at same rate at simple interest. The difference in their amounts after 2 years is found to be Rs.4P. Find the rate of interest at which they have invested their sums.

  • Option 1)

    100%               

  • Option 2)

    150%                      

  • Option 3)

      200%                   

  • Option 4)

    125%

  • Option 5)

        None of these

Answers (1)
R rishi raj

Principal = P

Rate = R%

Difference B/W C.I and S.I = D = PR2/1002

R = 200 %

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