Clocks & Calendars · Question 18 · Easy
How many times are the hour and minute hands of a clock at right angles to each other in 12 hours?
- 11
- 24
- 22
- 44
Answer and explanation
Answer: C. 22
Explanation: The hands are at right angles twice every hour, except that around 3 and 9 o'clock a single position is shared between consecutive hours. That gives 24 − 2 = 22 times in 12 hours.
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