Keystones — Lintel
Five GCSE retrieval questions · 4 September 2024 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 144. What are the numbers?
Answer: 47, 48, and 49 -
2. Algebra
Solve: 5x - 5 = 2x + 10
Answer: x = 5 -
3. Geometry
Opposite = 18cm, adjacent = 9cm. Calculate the angle
Answer: 63.4° -
4. Ratio
Calculate 26% of 917
Answer: 238.42 -
5. Statistics
A bag has 6 red and 3 blue balls. What is the probability of picking a red ball?
Answer: 2⁄3