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      Question

      Ankur invests Rs. 9,250 at 8% p.a. for 3 years on simple

      interest. The amount he gets back is Rs. '2k'. Find the product of digits of 'k'.
      A 625 Correct Answer Incorrect Answer
      B 750 Correct Answer Incorrect Answer
      C 525 Correct Answer Incorrect Answer
      D 450 Correct Answer Incorrect Answer

      Solution

      ATQ,

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

      Interest = 9,250 Γ— 8 Γ— 3 Γ· 100 = Rs. 2,220

      2k = 9,250 + 2,220

      2k = 11,470

      k = 5,735

      Product = 5 Γ— 7 Γ— 3 Γ— 5 = 525

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