Clocks and Calendars


  1. In the year 1996, the Republic day was celebrated on Friday. On which day was the Independence day celebrated in the year 2000?









  1. View Hint View Answer Discuss in Forum

    We know that , Republic day is celebrated on 26 January .
    The year 1996 was a leap year and number of days remaining in the year 1996
    = ( 366 – 26 ) days = 340 days = 48 weeks + 4 odd days
    The years 1997, 1998 and 1999 have 3 odd days in total.
    The year 2000 was also a leap year.
    Days till August 15, 2000 = January + February + March + April + May + June + July + August = 31 + 29 + 31+ 30 + 31 + 30 + 31 + 15 = 228 days

    228 = 32 weeks and 4 odd days
    7

    Now, total number of odd days = 4 + 4 + 3 = 11 days

    Correct Option: A

    We know that , Republic day is celebrated on 26 January .
    The year 1996 was a leap year and number of days remaining in the year 1996
    = ( 366 – 26 ) days = 340 days = 48 weeks + 4 odd days
    The years 1997, 1998 and 1999 have 3 odd days in total.
    The year 2000 was also a leap year.
    Days till August 15, 2000 = January + February + March + April + May + June + July + August = 31 + 29 + 31+ 30 + 31 + 30 + 31 + 15 = 228 days

    228 = 32 weeks and 4 odd days
    7

    Now, total number of odd days = 4 + 4 + 3 = 11 days
    11 = 1 week and 4 odd days
    7

    Thus, August 15th, 2000 was 4 days beyond Friday i.e., Tuesday.


  1. The minute hand of a clock is 7 cm long. The area swept by the minute hand in 15 minutes will be:









  1. View Hint View Answer Discuss in Forum

    We know that ,

    The area swept by the minute hand = π r2=22×1×(7)2=155=38.5 cm2
    4744

    Correct Option: B

    We know that ,

    The area swept by the minute hand = π r2=22×1×(7)2=155=38.5 cm2
    4744
    Hence , required answer is 38.5 cm2 .



  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?









  1. View Hint View Answer Discuss in Forum

    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:









  1. View Hint View Answer Discuss in Forum

    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.