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      Question

      Four number-pairs are given, three of which are alike in

      certain manner and one is different. Choose the different number-pair.
      A 432: 324 Correct Answer Incorrect Answer
      B 424: 318 Correct Answer Incorrect Answer
      C 572: 429 Correct Answer Incorrect Answer
      D 348: 257 Correct Answer Incorrect Answer

      Solution

      The pattern followed here is: The 1/4 th of the 1st number is subtracted from the 1st number to get the 2nd number. 432: 324 โ†’ 432 - 432/4 = 324 424: 318 โ†’ 424 - 424/4 = 318 572: 429 โ†’ 572 - 572/4 = 429 348: 257 โ†’ 348 - 348/4 = 261 โ‰  257

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