Keystones — Lintel

Five GCSE retrieval questions · 2 August 2022 · mathsvault.uk/keystones

1. Number

The sum of three consecutive numbers is 141. What are the numbers?

Answer: 46, 47, and 48
2. Algebra

Solve: ^x⁄₅ = 1.4

Answer: x = 7
3. Geometry

Find c if a = 12cm and b = 16cm in a right triangle

Answer: 20cm
4. Ratio

Calculate 47.9% of 944

Answer: 452.18
5. Statistics

Calculate the mean of: 5, 23, 20, 15, 39, 5

Answer: 17.8

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