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      Question

      A sum of 10,500 amounts to 13,825 in 3.8 years at a

      certain rate percent per annum simple interest. What will be the simple interest on the same sum for 5 years at double the earlier rate?
      A 8757.0 Correct Answer Incorrect Answer
      B 9187.5 Correct Answer Incorrect Answer
      C 9250.0 Correct Answer Incorrect Answer
      D 9387.5 Correct Answer Incorrect Answer

      Solution

      Principal (P) = ₹10,500 Final Amount (A) = ₹13,825 Time (T) = 3.8 years Simple Interest (SI) = A−P=13,825−10,500=3,325.

      to find  the Rate (R): Using the formula:

      Substitute values:

      Double the Rate :

      Calculate SI for 5 Years at Double the Rate : Using the formula:

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