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      Question

      Select the option that is related to the fifth number

      in the same way as the second number is related to first number and third number is related to fourth number. 15: 39 :: 84: 240 :: 54: ?
      A 154 Correct Answer Incorrect Answer
      B 153 Correct Answer Incorrect Answer
      C 143 Correct Answer Incorrect Answer
      D 137 Correct Answer Incorrect Answer

      Solution

      The pattern followed here is: AB: CD → CD = (AB X 3) - (A + B) 15: 39 → (15 X 3) - (1 + 5) = 45 – 6 = 39 84: 240 → (84 X 3) - (8 + 4) = 252 – 12 = 240 Similarly, in 54: ? ? = (54 X 3) - (4 + 5) ? = 162 – 9 = 153

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