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      Question

      A person borrowed Rs. 9,300 at 11% p.a. and Rs. 6,700 at

      13% p.a. simple interest. If the total interest paid after β€˜n’ years is Rs. 5,486, find the value of β€˜n’.
      A 3.7 yrs Correct Answer Incorrect Answer
      B 8.5 yrs Correct Answer Incorrect Answer
      C 2.9 yrs Correct Answer Incorrect Answer
      D 5.9 yrs Correct Answer Incorrect Answer

      Solution

      ATQ,

      9300 Γ— (11/100) Γ— n + 6700 Γ— (13/100) Γ— n = 5486

      Or, 1023n + 871n = 5486

      So, n = (5486/1894) = 2.9 years

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