Clocks and Calendars


  1. My watch was 3 minutes slow at 5 pm on Tuesday and it was 5 minutes fast at 11 pm on Wednesday. When did it give correct time?









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    We know that ,
    Time from 5 pm Tuesday to 11 pm Wednesday = 30 hours
    Clock gains 8 minutes in 30 hours

    ∴ It gains 3 minutes in 30x 3 hours = 11 hours 15 minutes.
    8


    Correct Option: A

    We know that ,
    Time from 5 pm Tuesday to 11 pm Wednesday = 30 hours
    Clock gains 8 minutes in 30 hours

    ∴ It gains 3 minutes in 30x 3 hours = 11 hours 15 minutes.
    8

    ∴ Correct time is 11 hours 15 minutes after 5 pm. = 4 : 15 am on Wednesday.
    Thus , required correct time is 4 : 15 am on Wednesday.


  1. In an ordinary year ‘March’ begin on the same day of the week:









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    As we know that ,
    In an ordinary year, February has no odd day.
    February and March begin on same day of the week.
    Also we know that, November and March begin on same day of the week.

    Correct Option: A

    As we know that ,
    In an ordinary year, February has no odd day.
    February and March begin on same day of the week.
    Also we know that, November and March begin on same day of the week.
    Hence , required answer will be February and November .



  1. A girl was born on September 6, 1970 which happened to be a Sunday. Her birthday would have fallen again on Sunday in:









  1. View Hint View Answer Discuss in Forum

    As per the given above question ,we can say that
    Odd number of days from September 6, 1970 to September 6, 1981 = 14 days

    Correct Option: C

    As per the given above question ,we can say that
    Odd number of days from September 6, 1970 to September 6, 1981 = 14 days
    Hence, the Sunday will be on September 6, 1981.


  1. The calendar for the year 2002 is the same as for the year









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    Count the number of odd days from the year 2002 onwards to get the sum equals to 0 odd day.

    Correct Option: B

    Count the number of odd days from the year 2002 onwards to get the sum equals to 0 odd day.

    Years 2002 2003 2004 2005 2006 2007
    Odd days 1 1 2 1 1 1

    Sum = 7 odd days = 0 odd day
    Calender for the year 2008 is the same as that for the year 2002.



  1. Today is Friday. After 62 days it will be ?









  1. View Hint View Answer Discuss in Forum

    Each day of the week is repeated after 7 days
    ∴ After 63 days, it would be Friday
    So, After 62 days, it would be Thursday

    Correct Option: B

    Each day of the week is repeated after 7 days
    ∴ After 63 days, it would be Friday
    So, After 62 days, it would be Thursday