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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. Solve the inequality: 2x - 1 > 7

    Answer: x > 4

    2x > 7 + 1 = 8. x > 4.

  2. Express 48 as a product of prime factors.

    Answer: 2⁴ × 3

    48 = 2 × 24 = 2 × 2 × 12 = 2 × 2 × 2 × 6 = 2 × 2 × 2 × 2 × 3 = 2⁴ × 3.

  3. What is the median of: 5, 2, 8, 1, 9, 3, 7?

    Answer: 5

    Arrange in order: 1, 2, 3, 5, 7, 8, 9. The middle value (4th of 7) is 5.

  4. A train departs at 08:45 and arrives at 11:20. How long is the journey?

    Answer: 2 h 35 min

    From 08:45 to 11:20: 11:20 - 08:45. From 08:45 to 09:00 = 15 min. From 09:00 to 11:20 = 2 h 20 min. Total = 2 h 35 min.

  5. Find x in the right-angled triangle where the hypotenuse is 13 and one leg is 5.

    Answer: 12

    Using Pythagoras: x² + 5² = 13². x² = 169 - 25 = 144. x = 12.

  6. What is the probability of rolling a number greater than 4 on a standard six-sided die?

    Answer: 1/3

    Numbers greater than 4: {5, 6} = 2 outcomes. Total outcomes = 6. P = 2/6 = 1/3.

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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