Keystones — Lintel

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

1. Number

The sum of three consecutive numbers is 147. What are the numbers?

Answer: 48, 49, and 50
2. Algebra

Solve: ^x⁄₃ = 11.666666666667

Answer: x = 35
3. Geometry

Adjacent = 23cm, hypotenuse = 36cm. Find the angle

Answer: 50.3°
4. Ratio

Simplify: 12:15:6

Answer: 4:5:2
5. Statistics

Find the range of: -30, 7, 31, 25, 10

Answer: 61

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