Multiple choice general knowledge math & puzzles

What comes next in series ? o,t,t,f,f,s,s,_

  1. e

  2. s

  3. a

  4. x
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The sequence represents the first letters of number words: One, Two, Three, Four, Five, Six, Seven, Eight. The next letter in this pattern is 'e' for Eight, completing the sequence of number word initials.

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