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      Question

      Neha earns 30% more than Sneha. Neha saves 40% of her

      salary, while Sneha saves 10%. If the difference in their spending is Rs. 720, what are Neha’s total savings?
      A Rs.7,800 Correct Answer Incorrect Answer
      B Rs.5,950 Correct Answer Incorrect Answer
      C Rs.9,800 Correct Answer Incorrect Answer
      D Rs.3,120 Correct Answer Incorrect Answer

      Solution

      ATQ,

      Let Sneha’s income be Rs. 100n

      Neha’s income = 1.3 × 100n = Rs. 130n

      Expenditure of Neha = 0.6 × 130n = Rs. 78n

      Expenditure of Sneha = 0.9 × 100n = Rs. 90n

      So, 90n - 78n = 720

      Or, 12n = 720

      Or, n = 60

      Savings of Neha = 130n - 78n = 52n = 52 × 60 = Rs. 3,120

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