Keystones — Lintel

Five GCSE retrieval questions · 20 October 2022 · 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⁄₇ = 4.1428571428571

Answer: x = 29
3. Geometry

Opposite = 13cm, adjacent = 15cm. Calculate the angle

Answer: 40.9°
4. Ratio

Calculate 38.6% of 375

Answer: 144.75
5. Statistics

Find the range of: 34, -23, 46, 48, 25

Answer: 71

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