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      Question

      Four number-pairs are given, which of them three are

      alike in certain manner and one is different. Choose the different number-pair.
      A 842: 32 Correct Answer Incorrect Answer
      B 731: 21 Correct Answer Incorrect Answer
      C 594: 45 Correct Answer Incorrect Answer
      D 485: 24 Correct Answer Incorrect Answer

      Solution

      The pattern followed here is: The 2nd number is product of 1st and 2nd digit of 1st number from the left end. 842: 32 = (8 Γ— 4) = 32 731: 21 = (7 Γ— 3) = 21 594: 45 = (5 Γ— 9) = 45 485: 24 = (4 Γ— 8) = 32 In option D, the product is 32, but the 2nd number given is 24.

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