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UPSC 1997: The number of times in a day the Hour hand and the Minute hand of a clock at right angles is
(a)44
(b)48
(c)24
(d)12
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Not attemptedCorrect Answer: (a) 44
The hour and minute hands are at right angles 22 times every 12 hours, hence 22 × 2 = 44 times in 24 hours ⇒ option (a). ([edukemy.com](https://edukemy.com/blog/upsc-prelims-topic-wise-questions-basic-numeracy-clocks-and-calendars/?utm_source=openai))
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Frequently Asked Questions
What is the correct answer to this UPSC 1997 Science & Technology question?▼
The correct answer is option (a): 44. Watch the detailed video explanation in our Sherlocking Prelims course on UnlockIAS.
Which year was this Quantitative Aptitude question asked in UPSC Prelims?▼
This question was asked in UPSC CSE Prelims 1997, GS Paper 1, as Question 150. It falls under Science & Technology > Quantitative Aptitude.
What is the difficulty level of this UPSC question?▼
This question is rated "easy". It tests basic recall and most well-prepared aspirants should answer it correctly.
How many UPSC Prelims questions have been asked from Quantitative Aptitude?▼
UPSC has asked 178 questions from Quantitative Aptitude (under Science & Technology) across multiple years. Visit the topic page to see the full list and year-wise trends.