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      Question

      Income of A is twice the income of B. B and A spend 70%

      and 80% respectively of their incomes. Find the savings of A, if B saves Rs. 21000 in a month.
      A Rs. 25000 Correct Answer Incorrect Answer
      B Rs. 28600 Correct Answer Incorrect Answer
      C Rs. 28000 Correct Answer Incorrect Answer
      D Rs. 28800 Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      Let, income of B be Rs. β€˜x’ Expenditure of B = 0.7x So, 0.3x = 21000 x = Rs. 70000 Income of A = 2 Γ— 70000 = Rs. 140000 Savings of A = 20% of 140000Β = Rs. 28000

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