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
- A21 : 6
- B28 : 4
- C42 : 12
- D84 : 24
Correct answer
B. 28 : 4
Step-by-step solution
In all other pairs, 1st number = 2nd number × 3.5 Hence, option B is correct.