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      Question

      Mr. Arun invested Rs. x in Scheme 1 and Rs. x/4 in Scheme

      2. The schemes offered simple interest at 7% p.a. and 12% p.a. respectively. If the interest earned after 2 years is Rs. 420, calculate the value of β€˜x’.
      A Rs.2100 Correct Answer Incorrect Answer
      B Rs.2900 Correct Answer Incorrect Answer
      C Rs.2800 Correct Answer Incorrect Answer
      D Rs.2500 Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      ATQ,

      x Γ— 0.07 Γ— 2 + x/4 Γ— 0.12 Γ— 2 = 420

      0.14x + 0.06x = 420

      0.20x = 420

      x = 420 / 0.20 = 2100

      So, the value of β€˜x’ is Rs. 2100

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