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      Question

      Sneha lends Rs. 10,400 on simple interest at 9% annually

      for 2 years. If she receives Rs. '2k' at the end, calculate the product of digits of 'k'.
      A 625 Correct Answer Incorrect Answer
      B 750 Correct Answer Incorrect Answer
      C 108 Correct Answer Incorrect Answer
      D 450 Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      ATQ,

      Simple interest = Principal Γ— Rate Γ— Time Γ· 100

      Interest = 10,400 Γ— 9 Γ— 2 Γ· 100 = Rs. 1,872

      2k = 10,400 + 1,872

      2k = 12,272

      k = 6,136

      Product = 6 Γ— 1 Γ— 3 Γ— 6 = 108

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