Clocks and Calendars
- By which of the following, a leap year must be divisible?
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A leap year must be divisible by 4, as every 4th year is a leap year.
Correct Option: D
A leap year must be divisible by 4, as every 4th year is a leap year.
- Which of the following is a leap year?
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Leap year should be completely divisible by 4.
Correct Option: B
As 2016 is completely divisible by 4.
- Today is Monday. What will be the day after 64 days ?
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Each day of the week is repeated after 7 days.
So, after 63 days, it will be Monday.Correct Option: D
Each day of the week is repeated after 7 days.
So, after 63 days, it will be Monday.
Hence, after 64 days. it will be Tuesday.
- At what time between 3 and 4 O’clock are the hands of a clock together?
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Here, H = 3
We know that , The two hands of the clock will be together between H and (H + 1) O’clock at minutes past H o'clock= 60H 11 ⇒ 60 x 3 = 180 = 16 4 11 11 11
Correct Option: C
Here, H = 3
We know that , The two hands of the clock will be together between H and (H + 1) O’clock at minutes past H o'clock= 60H 11 ⇒ 60 x 3 = 180 = 16 4 11 11 11 So, the hands of a clock will coincide at 16 4 minutes past 3 o'clock. 11
- 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 .