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      Question

      'S' earns 50% more than 'T'. 'S' and 'T' save 45% and

      25% of their incomes. If the gap between their expenses is Rs. 1,200, how much does 'S' save?
      A Rs.7,525 Correct Answer Incorrect Answer
      B Rs.5,572 Correct Answer Incorrect Answer
      C Rs.10,800 Correct Answer Incorrect Answer
      D Rs.3,250 Correct Answer Incorrect Answer

      Solution

      ATQ,

      Let the income of 'T' be Rs. '100n'

      Income of 'S' = 1.5 × 100n = Rs. '150n'

      Expenditure of 'S' = 0.55 × 150n = Rs. '82.5n'

      Expenditure of 'T' = 0.75 × 100n = Rs. '75n'

      So, 82.5n - 75n = 1200

      Or, 7.5n = 1200

      Or, 'n' = 160

      Savings of 'S' = 150n - 82.5n = 67.5n = 67.5 × 160 = Rs. 10,800

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