Find the wrong number in the series.2, 6, 15, 31, 56, 93

A. 93

B. 6

C. 31

D. 56

Doubtly AI Asked 27 Oct 2026 AI-generated · not yet verified ibps rrb Save WhatsApp Report

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Answer: A. 93

Answer: (A) 93

Differences should be \( 2^2, 3^2, 4^2, 5^2, 6^2 \) = 4, 9, 16, 25, 36: 2, 6, 15, 31, 56, 92. So 93 is wrong.

Doubtly AI · 27 Oct 2026 AI-generated · not yet verified Report

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