Mathematics Flashcards

6 cards from real O-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

What is the volume of a cuboid with length 5 cm, width 3 cm, and height 4 cm?
Answer: 60 cm³
Volume = l × w × h = 5 × 3 × 4 = 60 cm³.
Simplify the fraction 36/48.
Answer: 3/4
HCF of 36 and 48 is 12. 36÷12 = 3, 48÷12 = 4. Simplified: 3/4.
A shopkeeper buys an item for $60 and sells it at a 25% profit. What is the selling price?
Answer: $75
Profit = 25% of $60 = $15. Selling price = $60 + $15 = $75.
What is the gradient of a horizontal line?
Answer: 0
A horizontal line has no rise (change in y = 0), so the gradient = 0/run = 0.
Evaluate: (-3)² + 4 × 2
Answer: 17
(-3)² = 9. 4 × 2 = 8. 9 + 8 = 17. Following BODMAS, powers and multiplication before addition.
The probability of an event is 0.35. What is the probability that the event does NOT occur?
Answer: 0.65
P(not A) = 1 - P(A) = 1 - 0.35 = 0.65.

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