Keystones — Lintel

Five GCSE retrieval questions · 7 July 2024 · mathsvault.uk/keystones

1. Number

The sum of three consecutive numbers is 135. What are the numbers?

Answer: 44, 45, and 46
2. Algebra

Solve: ^x⁄₆ = 1.5

Answer: x = 9
3. Geometry

Find c if a = 16cm and b = 19cm in a right triangle

Answer: 24.8cm
4. Ratio

Find 38% of 500

Answer: 190
5. Statistics

Calculate the mean of: 19, 5, 9, 45, 47, 6, 43

Answer: 24.9

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