UPSC CSE Prelims CSAT (Paper II) previous year questions on Clock (Quantitative Ability), asked from 2014–2024, with answers. There are 9 questions in this post. Attempt each question, then click Show Answer to check.
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1] How many times the hour hand and the minute hand coincide in a clock between 10:00 a.m. and 2:00 p.m. (same day)? [2024/37]
(a) 3 times
(b) 4 times
(c) 5 times
(d) 6 times
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Ans: (a) 3 times
2] What is the angle between the minute hand and hour hand when the clock shows 4:25 hours? [2024/40]
(a) 12.5 degree
(b) 15 degrees
(c) 17.5 degree
(d) 20 degrees
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Ans: (c) 17.5 degree
3] At which one of the following times, do the hour hand and the minute hand of the clock make an angle of 180° with each other? [2021/57]
(a) At. 7:00 hours
(b) Between 7:00 hours and 7:05 hours
(c) At 7:05 hours
(d) Between 7:05 hours and 7:10 hours
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Ans: (d) Between 7:05 hours and 7:10 hours
4] A wall clock moves 10 minutes fast in every 24 hours. The clock was set right to show the correct time at 8:00 a.m. on Monday. When the clock shows the time 6:00 p.m. on Wednesday, what is the correct time? [2019/49]
(a) 5:36 p.m.
(b) 5:30 p.m.
(c) 5:24 p.m.
(d) 5:18 p.m.
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Ans: (a) 5:36 p.m.
5] A watch loses 2 minutes in every 24 hours while another watch gains 2 minutes in every 24 hours. At a particular instant, the two watches showed an identical time. Which of the following statements is correct if 24-hour clock is [2017/31]
(a) The two watches show the identical time again on completion of 30 days.
(b) The two watches show the identical time again on completion of 90 days.
(c) The two watches show the identical time again on completion of 120 days.
(d) None of the above statements correct.
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Ans: (d) None of the above statements correct.
6] A clock strikes once at 1 O’clock, twice at 2 O’clock and thrice at 3 O’clock, and so on. If it takes 12 seconds to strike at 5 o’clock, what is the time taken by it to strike at 10 o’clock? [2017/33]
(a) 20 seconds
(b) 24 seconds
(c) 28 seconds
(d) 30 seconds
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Ans: (b) 24 seconds
7] A class starts at 11:00 am and lasts till 2:27 pm. Four periods of equal duration are held during this interval. After every period, a rest of 5 minutes is given to the students. The exact duration of each period is: [2016/26]
(a) 48 minutes
(b) 50 minutes
(c) 51 minutes
(d) 53 minutes
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Ans: (a) 48 minutes
8] Between 6 PM and 7 PM the minute hand of a clock will be ahead of the hour hand by 3 minutes at [2015/68]
(a) 6: 15 PM
(b) 6: 18 PM
(c) 6 : 36 PM
(d) 6 : 48 PM
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Ans: (c) 6 : 36 PM
9] Assume that
1. the hour and minute hands of a dock move without jerking.
2. the clock shows a time between 8 O’clock and 9 O’clock.
3. the two hands of the clock are one above the other.
After how many minutes (nearest integer) will the two hands be again lying one above the other? [2014/12]
(a) 60
(b) 62
(c) 65
(d) 67
Show Answer
Ans: (c) 65
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