US Vice President Biden meets Indian counterpart

The video introduces the concept of time using the example of 9:00 PM.

What is the primary purpose of time notation?

• To confuse people

• To make clocks look interesting

• To organize daily activities

• To create more numbers

Which clock system divides the day into two 12-hour periods?

• Metric clock system

• 24-hour clock system

• 12-hour clock system

• Decimal clock system

What does 'AM' stand for in time notation?

• After Midnight

• Ante Meridiem

• After Morning

• Ante Morning

What does 'PM' signify in the 12-hour clock system?

• Post Meridiem

• Pre Meridiem

• Pre Midnight

• Past Morning

How many hours are there in a full day using the 12-hour clock system?

• 12 hours

• 24 hours

• 48 hours

• 36 hours