Which letter comes next in C, D, F, G, I, J, ?

LCorrect answerYour answerMCorrect answerYour answerNCorrect answerYour answerOCorrect answerYour answer

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CorrectNot quiteAnswer A

Correct answer: A

Positions: C = 3, D = 4, F = 6, G = 7, I = 9, J = 10.
The jumps alternate +1, +2, +1, +2, +1, so the next jump is +2: $10 + 2 = 12$ , which is L.

Worth noting

M adds 3. The pattern is 'take two, skip one': CD, FG, IJ, then L.

Ten questions from Number and Letter Series, at your own pace.

Ten questions from Number and Letter Series, at your own pace.

Explanation