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      Question

      The income of ‘A’ increases by 10% every year. If

      his income 2 years hence from now will be Rs. 39930, then find his income a year before from now.
      A Rs. 35000 Correct Answer Incorrect Answer
      B Rs. 32000 Correct Answer Incorrect Answer
      C Rs. 30000 Correct Answer Incorrect Answer
      D Rs. 38000 Correct Answer Incorrect Answer

      Solution

      Let the present income of ‘A’ be Rs. x Therefore, x(1 + 10/100)2 = 39930 Or, x = 39930/(1.1)2 = 33000 Therefore, his income a year before from now = 33000/1.1 = Rs. 30000

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