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HBS Numerical Reasoning 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 Numerical Reasoning flashcards as text

  1. A shop reduces the price of a jacket from $80 to $60. What is the percentage decrease?

    Answer: 25%

    Percentage decrease = (20 ÷ 80) × 100 = 25%.

  2. If 4 workers can build a wall in 6 days, how many days will 8 workers take (same rate)?

    Answer: 3 days

    Total worker-days = 4 × 6 = 24; with 8 workers: 24 ÷ 8 = 3 days.

  3. A number is divided by 4, then 5 is added. The result is 13. What is the original number?

    Answer: 32

    Let n be the number; n/4 + 5 = 13 → n/4 = 8 → n = 32.

  4. What is the ratio 45:60 in its simplest form?

    Answer: 3:4

    HCF of 45 and 60 is 15; 45÷15 : 60÷15 = 3:4.

  5. A number pattern goes: 2, 6, 18, 54, … What is the next term?

    Answer: 162

    Each term is multiplied by 3; 54 × 3 = 162.

  6. Sarah earns $12 per hour. She works 7.5 hours. How much does she earn?

    Answer: $90

    $12 × 7.5 = $90.

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Sources & references

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  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