Clocks and Calendar Course: Crash Course on CSAT for UPSC CSE Presented by Aishwarya Nair
2017 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 followed? The two watches show the identical time again on completion of 30 days The two watches show the identical time again on completion of 9o days The two watches show the identical time again on completion of 120 days None of the above statements is correct. A. B. C. D.
Hence olh has /3o to dp
2017 . 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 1o o' clock. A. 20 seconds. B. 24 seconds. C. 28 seconds. D. 30 seconds
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. A class starts at 11:oo am and lasts till :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: A. 48 minutes B. 50 minutes C. 51 minutes D. 53 minutes
Starl at 1:00am x192
Between 6 PM and 7 PM the minute hand of a clock will be ahead of the hour hand by 3 minutes at A. 6:15 PM B. 6:18 PM C. 6:36 PMM D. 6:48 PM
Angle traced by the hour hand in 12 hours = 360 degrees. 12 12 1 11 12 10 10 10 9 3 8 3231302
. If second and fourth Saturdays and all the Sundays are taken as only holidays for an office, what would be the minimum number of possible working days of any month of any year? A. 23 B. 22 C. 21 D. 20
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