Keystones — Lintel
Five GCSE retrieval questions · 20 January 2025 · mathsvault.uk/keystones
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1. Number
What is the missing number: 96 + ? = 194
Answer: 98 -
2. Algebra
Solve: x⁄7 = 5.7142857142857
Answer: x = 40 -
3. Geometry
Adjacent = 30cm, hypotenuse = 46cm. Find the angle
Answer: 49.3° -
4. Ratio
Simplify: 20:16:20
Answer: 5:4:5 -
5. Statistics
A spinner has 2 red, 3 blue and 3 green sections. Probability of landing on red?
Answer: 1⁄4