Keystones — Capstone

Five GCSE retrieval questions · 1 November 2025 · mathsvault.uk/keystones

1. Number

The sum of three consecutive numbers is 123. What are the numbers?

Answer: 40, 41, and 42
2. Algebra

Solve: ^x⁄₇ = 4.2857142857143

Answer: x = 30
3. Geometry

Adjacent = 17cm, hypotenuse = 22cm. Find the angle

Answer: 39.4°
4. Ratio

Simplify the ratio 3m:300cm

Answer: 1:100
5. Statistics

The mean of 6 numbers is 25. If 5 of them are 42, 33, 27, 35, 31, what is the missing number?

Answer: -18

Same five questions for everyone on Capstone on this date. Sets are stored as JSON for reliable print-on-demand — sign in for school-branded PDFs.