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      Question

      Simple interest earned on an amount of Rs. 1800 at rate

      of R% per annum after 4 years is Rs. 288. Find the simple interest earned on an amount of Rs. 1500 at rate of (R + 6)% per annum after 3 years
      A Rs. 420 Correct Answer Incorrect Answer
      B Rs. 460 Correct Answer Incorrect Answer
      C Rs. 450 Correct Answer Incorrect Answer
      D Rs. 470 Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      According to question, 288 = 1800 × R% × 4 R = 4% Therefore, required interest = 1500 × (4 + 6)% × 3 = Rs. 450

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