Multiple choice general knowledge math & puzzles

If a clock takes six seconds to strike six times at six o'clock, how many seconds will it take to strike eleven times at eleven o'clock?

  1. 10

  2. 11

  3. 12

  4. 9

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The time is taken by the intervals between strikes. 6 strikes have 5 intervals, so each interval is 6/5 = 1.2 seconds. 11 strikes have 10 intervals. 10 intervals × 1.2 seconds = 12 seconds. 11 is a common distractor that ignores the interval logic.