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      Question

      The sum of the earnings of 'D' and 'E' is Rs. 2,20,000.

      'D' uses 75% of his income, while 'E' uses 65% of hers, so that 'E's savings are Rs. 17,000 more than 'D's. If 'F's income is 10% less than the combined average savings of 'D' and 'E', find 'F's savings, assuming 'F' saves 50% of his income.
      A Rs. 5,000 Correct Answer Incorrect Answer
      B Rs. 11,700 Correct Answer Incorrect Answer
      C Rs. 13,360 Correct Answer Incorrect Answer
      D Rs. 15,075 Correct Answer Incorrect Answer
      E Rs. 25,000 Correct Answer Incorrect Answer

      Solution

      Let the income of 'E' be Rs. 'q'. Therefore, income of 'D' = Rs. (220000 - q). Savings of 'D' = 0.25 ร— (220000 - q). Savings of 'E' = Rs. '0.35q'. According to the question, ย  0.25 * (220000 - q) + 17000 = 0.35q Or, 55000 โ€“ 0.25q + 17000 = 0.35q Or, 0.6q = 72000 Or, q = 120000 Savings of 'D' = 0.25 ร— (220000 - q) = 55000 โ€“ 30000 = 25000 Savings of 'E' = 42000 Therefore, income of 'F' = {25000 + 42000} รท 2 * 0.90 = 30150 Savings of 'F' = 0.50 * 30150 = Rs. 15,0 75

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