Keystones — Capstone
Five GCSE retrieval questions · 12 September 2024 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 114. What are the numbers?
Answer: 37, 38, and 39 -
2. Algebra
Solve: x⁄2 = 13.5
Answer: x = 27 -
3. Geometry
Adjacent = 22cm, hypotenuse = 27cm. Find the angle
Answer: 35.4° -
4. Ratio
Calculate 33.1% of 771
Answer: 255.2 -
5. Statistics
The mean of 4 numbers is 30. If 3 of them are 18, 24, 37, what is the missing number?
Answer: 41