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      Question

      The ratio between two numbers is 4:5. If each number is

      increased by 6, the ratio between then become 7:8, find the difference between numbers.
      A 3 Correct Answer Incorrect Answer
      B 4 Correct Answer Incorrect Answer
      C 2 Correct Answer Incorrect Answer
      D 5 Correct Answer Incorrect Answer

      Solution

      Let first number be 4x and the second number is 5x. According to the question, => (4x + 6)/(5x + 6) = 7/8 => 32x + 48 = 35x + 42 => x = 2 Required difference = 5x โ€“ 4x = x = 2

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