Select the letter or letter-cluster that can replace the question mark (?) in the following series.C3, F6, J10, O15, ?

A. U22

B. U21

C. V21

D. T21

Doubtly AI Asked 27 Oct 2026 AI-generated · not yet verified ssc cgl Save WhatsApp Report

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Best answer

Answer: B. U21

Answer: (B) U21

In each term the number is the position of the letter: C = 3, F = 6, J = 10, O = 15.

The positions go +3, +4, +5, so next is 15 + 6 = 21, the letter U. The term is U21.

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

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