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  • Question
  • The number of times in a day the hour hand and the minute hand of a clock are at right angles, is?


  • Options
  • A. 44
  • B. 48
  • C. 24
  • D. 12

  • Correct Answer
  • 48 

    Explanation

    In every hour the hand of clock are right angles 2 times, so in a days i.e., 24 h they will be at right angle 48 times.


  • Calendar problems


    Search Results


    • 1. 
      The priest told the devotee, 'The temple bell rings at regular intervals of 45 min. The last bell rang 5 min ago. The next bell is due to be rung at 7 : 45 am'. At what time did the priest give this information to the devotee?

    • Options
    • A. 7 : 00 am
    • B. 7 : 05 am
    • C. 7 : 40 am
    • D. 6 : 55 am
    • Discuss
    • 2. 
      The reflection of a clock in the mirror is 3 h 45 min. What is the actual time shown in the clock?

    • Options
    • A. 8 h 15 min
    • B. 9 h 30 min
    • C. 8 h 45 min
    • D. 9 h 15 min
    • Discuss
    • 3. 
      In an accurate clock, in a period of 2 h 20 min. the minute hand will move over?

    • Options
    • A. 520°
    • B. 320°
    • C. 840°
    • D. 140°
    • Discuss
    • 4. 
      A clock is started at 6 O' clock in the morning. Through how many degrees will the hour hand rotate when the clock shows 11 O' clock in the morning?

    • Options
    • A. 140°
    • B. 180°
    • C. 150°
    • D. 160°
    • Discuss
    • 5. 
      Which of following is a leap year?

    • Options
    • A. 2800
    • B. 1800
    • C. 2600
    • D. 3000
    • Discuss
    • 6. 
      If the first day of June is Saturday, them the date on which the last Saturday of that month falls, is?

    • Options
    • A. 22
    • B. 28
    • C. 29
    • D. 30
    • Discuss
    • 7. 
      At what time between 1 and 2 O' clock are the hands of a clock together?

    • Options
    • A. 55/11 min past 1
    • B. 52/11 min past 1
    • C. 51/11 min past 1
    • D. 59/11 min past 1
    • Discuss
    • 8. 
      How much does a watch lose per day , if its hands coincide every 64 min?

    • Options
    • A. 96 min
    • B. 90 min
    • C. 3410/11 min
    • D. 328/11 min
    • Discuss
    • 9. 
      The last day of year, 2006 was?

    • Options
    • A. Monday
    • B. Sunday
    • C. Wednesday
    • D. Thursday
    • Discuss
    • 10. 
      At what time between 5 and 5 : 30 is the hands of a clock 5 min apart?

    • Options
    • A. 204/11 min past 5
    • B. 217/11 min past 5
    • C. 208/11 min past 5
    • D. 219/11 min past 5
    • Discuss


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