Exams › SSC CGL (Prelims) › Reasoning

Complete the series: A, C, F, J, O, ?

1. S
2. U
3. T
4. V

Correct answer: U

Solution

The letter positions are 1, 3, 6, 10, 15. The differences are +2, +3, +4, +5, so the next difference is +6, giving 21, which is U.

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