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HBS General Knowledge and Critical Thinking Flashcards

6 cards from real HBS practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 6 HBS General Knowledge and Critical Thinking flashcards as text

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

    Answer: Lucy

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

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

    Answer: Water boils at 100°C at sea level.

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

  3. What is the main function of the human heart?

    Answer: To pump blood around the body

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

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

    Answer: 157.5°

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

  5. Which country has the largest population in the world?

    Answer: India

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

  6. What is a hypothesis in scientific thinking?

    Answer: A testable prediction or explanation

    A hypothesis is a testable prediction made before conducting an experiment, which can be supported or refuted by evidence.

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Sources & references

Exam facts on this page (fees, format, dates, passing scores) are checked against these official sources; the date is our last check. Editorial policy

  1. barnet.gov.uk — Late registration, registration deadline · verified Oct 2026
  2. hbschool.org.uk — Exam format, late registration, score release, exam information · verified Oct 2026
  3. henrietta-barnett.ams3.digitaloceanspaces.com — Test delivery, passing score, retake policy, score release, eligibility · verified Oct 2026