HBS HBS General Knowledge and Critical Thinking 3

Question 1

Tom is older than Sam. Sam is older than Lucy. Who is the youngest?

Accepted Answer

Lucy

Answer

Tom > Sam > Lucy; therefore Lucy is the youngest.

Question 2

Which of these is an example of a fact (not an opinion)?

Accepted Answer

Water boils at 100°C at sea level.

Answer

A fact is objectively verifiable; water boiling at 100°C at sea level is a measurable scientific fact.

Question 3

What is the main function of the human heart?

Accepted Answer

To pump blood around the body

Answer

The heart pumps blood throughout the body via the circulatory system, delivering oxygen and nutrients.

Question 4

If a clock shows 3:45, what is the angle between the minute and hour hands?

Accepted Answer

157.5°

Answer

At 3:45: minute hand at 270°, hour hand at 112.5° (3×30 + 45×0.5); difference = 157.5°.

Question 5

Which country has the largest population in the world?

Accepted Answer

India

Answer

India surpassed China in 2023 to become the most populous country with over 1.4 billion people.

HBS - Henrietta Barnett School Practice Test