Test: Ticking Clocks and Turning Calendar - Class 4 MCQ

• A leap year is defined as a year that has 366 days instead of the usual 365. This extra day is added to the month of February, which has 29 days instead of 28.
  
• Leap years occur every 4 years to keep our calendar in alignment with the Earth's revolutions around the sun.
• Interestingly, leap years can be skipped in certain cases, such as years that are divisible by 100 but not by 400.

If July 1 is a Monday, then July 15 will also be a Monday.

This is because there are exactly two weeks between July 1 and July 15. Each week has 7 days, so adding 14 days (2 weeks) to Monday keeps the same day of the week. 

If the hour hand is on 3 and the minute hand is on 12, the time is exactly 3:00.

The day is divided into 24 hours.

This division is the standard for all daily activities.

It is universally accepted and aligns with the Earth's rotation.

The statement in option D is incorrect because 12:00 noon should be written as 12:00 p.m., not 12:00 a.m..

• 12:00 a.m. refers to midnight.
• 12:00 p.m. refers to midday or noon.

Laali was born on 4th July 2014.

Chotu was born on 4th December 2019.

Calculate the age difference by subtracting the years: 2019 - 2014 = 5 years

Since both were born on the 4th of their respective months, there is no need to adjust for months.

Thus, the age difference is 5 years.

The time corresponding to 1 p.m. in the 24-hour clock is 13:00 hours.

• The 24-hour clock is a timekeeping convention.
• To convert 1 p.m. to the 24-hour format, add 12 to the hour.
• Thus, 1 p.m. becomes 13:00.

Janaki goes to classat = 9:45 a.m.
Janaki comes back home at = 11:40 a.m.
The time she spends in her maths class = 11:40 - 9:45 
         = 1:55
     = 1 hours 55 minutes
Thus, Janaki spends 1 hours and 55 minutes in the math class.

The shelf life of the biscuit packet is 6 months.
This means the biscuits are safe to eat for 6 months after the manufacturing date, starting from 01/01/2025 to 01/07/2025.

The digital format for 8:00 PM in a 24-hour clock is 20:00 hours.

This format is commonly used in many countries, including the UK.

Remember that the 24-hour clock starts at 00:00 (midnight) and goes to 23:59.