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      Question

      Three numbers are in the ratio 3:5:8. If the difference

      between the sum of the smallest and the largest number and the sum of the smallest and the second largest number is 18, then find the largest number.
      A 48 Correct Answer Incorrect Answer
      B 75 Correct Answer Incorrect Answer
      C 66 Correct Answer Incorrect Answer
      D 70 Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      ATQ;
      Let the three numbers be 3x, 5x, and 8x, respectively.
      ATQ,
      (3x+8x)βˆ’(3x+5x)=18
      11xβˆ’8x=18
      3x=18
      x=6
      Therefore, the largest number = 8x = 8 Γ— 6 = 48

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