In the given question, find the odd numb

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Target Exam

CUET

Subject

General Test

Chapter

General Ability

Topic

Odd One Out/Classification

Question:

In the given question, find the odd number from the given alternative.

Options:

Correct Answer:

Explanation:

7 = 2³ – 1

15 = 2⁴ – 1

31 = 2⁵ – 1

57 = 2⁶ – 1 (is not following the pattern)

So, correct answer is option (D).