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      Question

      Complete the analogy. 54 : 45:: 73 :

      ?
      A 50 Correct Answer Incorrect Answer
      B 55 Correct Answer Incorrect Answer
      C 45 Correct Answer Incorrect Answer
      D 48 Correct Answer Incorrect Answer

      Solution

      The pattern followed here is: The sum of digits of the first number is multiplied by 5 to obtain the second number. 54 : 45 → (5 + 4) = 9, (9 × 5) = 45. Similarly, for 63: (7 + 3) = 10,(10 × 5) = 50.

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