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Simple interest

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  1. For what sum will the simple interest at R% per annum for 2 years will be R ?
    1. Rs.
      100
      2R
    2. Rs. 50
    3. Rs.
      100
      R
    4. Rs.
      200
      R
Correct Option: B

Given that , SI = R , Rate = R% and Time = 2 years
As we know that ,

Principal =
SI × 100
Time × Rate

Principal =
R × 100
2 × R

Principal = Rs. 50


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