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      Question

      The sum of the incomes of 'A' and 'B' is Rs. 40,000. If

      'A' spends 80% of his income while 'B' spends 60% of his income, then the savings of 'B' will be Rs. 4,000 more than that of 'A'. Find the income of 'A'.
      A Rs. 18,000 Correct Answer Incorrect Answer
      B Rs. 20,000 Correct Answer Incorrect Answer
      C Rs. 22,000 Correct Answer Incorrect Answer
      D Rs. 24,000 Correct Answer Incorrect Answer

      Solution

      Let the income of 'A' be Rs. 'x' Therefore, income of 'B' = Rs. (40000 - x) Savings of 'A' = 0.20 X x = Rs. '0.20x' Savings of 'B' = Rs. {0.40 X (40000 - x)} According to the question, 0.40 X (40000 - x) - 0.20x = 4000 Or, 16000 - 0.40x - 0.20x = 4000 Or, 0.6x = 12000 Or, x = 20000 Therefore, income of 'A' = Rs. 20,000

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