The number of times in a day the hour hand and minute hand of a clock are at right angle, is
Question and options
The number of times in a day the hour hand and minute hand of a clock are at right angle, is
- 44
- 48
- 24
- 12
Answer and explanation
Correct answer: A - 44
The hands are at right angles twice every hour except near 3 and 9 o'clock, where the two occurrences coincide: 22 times in 12 hours, 44 times in 24 hours.
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CUSAT CAT Integrated IPR Ph.D.
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