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      Question

      A sum of Rs. 1,500 is invested at a simple interest rate of

      10% per annum for 18 months. If the interest earned is Rs. 'q', find the value of (q - 15).
      A 210 Correct Answer Incorrect Answer
      B 200 Correct Answer Incorrect Answer
      C 215 Correct Answer Incorrect Answer
      D 225 Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      ATQ,

      Simple interest = {Principal X rate X time (in years) } Γ· 100

      So, interest earned = {1500 X 10 X (18/12) } Γ· 100 = Rs. 225

      Therefore, required value = 225 - 15 = 210

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