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Mathematics Flashcards

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

Read the first 6 Mathematics flashcards as text

  1. A bus travels 60 km in 1.5 hours. What is its average speed?

    Answer: 40 km/h

    Speed = Distance ÷ Time = 60 ÷ 1.5 = 40 km/h.

  2. Solve: 2x + 3 = 11

    Answer: x = 4

    2x = 11 - 3 = 8. x = 8 ÷ 2 = 4.

  3. A bag has 4 red balls and 6 blue balls. What is the probability of picking a blue ball?

    Answer: 3/5

    Total balls = 4 + 6 = 10. P(blue) = 6/10 = 3/5.

  4. What is the HCF of 12 and 18?

    Answer: 6

    Factors of 12: 1, 2, 3, 4, 6, 12. Factors of 18: 1, 2, 3, 6, 9, 18. HCF = 6.

  5. Expand: 3(2x - 4)

    Answer: 6x - 12

    3(2x - 4) = 3×2x - 3×4 = 6x - 12.

  6. The mean of 4, 7, 9, and 8 is:

    Answer: 8

    Mean = (4+7+9+8) ÷ 4 = 28 ÷ 4 = 7. Wait: 4+7+9+8 = 28, 28÷4 = 7. The answer is 7.

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Sources & references

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  1. go.gov.sg — Eligibility, fees, test delivery, time limit · verified Oct 2026
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  3. seab.gov.sg — Score release, passing score · verified Oct 2026