Sign up now
to enroll in courses, follow best educators, interact with the community and track your progress.
Download
Clock and Calendar Problems
3,854 plays

More
In this video Aishwarya discusses the previous year questions asked from the clocks and calendar topic in the UPSC CSE preliminary examination GS paper 2.

Aishwarya Nair
Cleared half a dozen government exams. Presently at Railways. Former faculty at KAS Mentor. Follow for Exam preparation strategies.

U
Unacademy user
ur all courses are worth seeing ????
Hello Maam, this is Ajeet..Ur lectures are of very good quality...thank you for providing these wonderful lectures...
hllo Ma'am can u give some mre example questions on this topic ... plzz
plz thode basis discuss kar diya karo like formula etc plz
mam, u have taken Feb month 4 calculating d last problem, but its given dat minimum working days for any Month of any year, den y can't v assume a month of 30 days o 31 days?
Aishwarya Nair
a year ago
minimum working days would happen in a month with minimum days. ergo. Feb. take any other month and you'll have the same answer
Parveen mulla
a year ago
oh OK thank u
mam, u have taken Feb month 4 calculating d last problem, but its given dat minimum working days for any Month of any year, den y can't v assume a month of 30 days o 31 days?
  1. Clocks and Calendar Course: Crash Course on CSAT for UPSC CSE Presented by Aishwarya Nair


  2. 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.


  3. Hence olh has /3o to dp


  4. 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


  5. CO 12 ec 5 ") loobu kw 12-XIO: 24.sece.d


  6. . 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


  7. Starl at 1:00am x192


  8. 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


  9. Angle traced by the hour hand in 12 hours = 360 degrees. 12 12 1 11 12 10 10 10 9 3 8 3231302


  10. . 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