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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. A16 – 64
  2. B9 – 36
  3. C36 – 216
  4. D49 – 343

Correct answer

B. 9 – 36

Step-by-step solution

All other pairs contain square and cube of the same number. e.g. 36 = 62 and 216 = 63. Hence, option B is correct.

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