Keystones — Lintel
Five GCSE retrieval questions · 28 August 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: x⁄3 = 11.333333333333
Answer: x = 34 -
3. Geometry
Find c if a = 12cm and b = 16cm in a right triangle
Answer: 20cm -
4. Ratio
Simplify: 6:15:6
Answer: 2:5:2 -
5. Statistics
A spinner has 6 red, 3 blue and 6 green sections. Probability of landing on red?
Answer: 2⁄5