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English and Logical Reasoning Prep GuideLogical ReasoningClassification

Directions: In this type of questions, certain pairs/groups of numbers are given out of which all except one are similar in some manner while one is different. The numbers in these similar pairs/groups may have the same property or may be related to each other according to the same rule. The candidate is required to choose the odd pair/group. Which Pair does NOT belong with the others?

Options

  1. A72, 45
  2. B51, 24
  3. C46, 20
  4. D32, 13

Correct answer

D. 32, 13

Step-by-step solution

This is the only group in which the two numbers have no common factor. Hence, option D is correct.

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