Four number-pairs have been given, out o

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Target Exam

CUET

Subject

General Test

Chapter

General Ability

Topic

Odd One Out/Classification

Question:

Four number-pairs have been given, out of which three are alike in some manner and one is different. Select the number-pair that is different.

Options:

22 : 490

25 : 631

21 : 447

30 : 908

Correct Answer:

30 : 908

Explanation:

The logic followed here is:

22 : 490 → 22² + 6 = 490

25 : 631 → 25² + 6 = 631

21 : 447 → 21² + 6 = 447

30 : 908 →30² + 6 = 906 ≠ 908 (odd)