Keystones — Lintel
Five GCSE retrieval questions · 26 April 2024 · mathsvault.uk/keystones
-
1. Number
The sum of three consecutive numbers is 126. What are the numbers?
Answer: 41, 42, and 43 -
2. Algebra
Solve: 9x = 36
Answer: x = 4 -
3. Geometry
Find perimeter: adjacent = 25cm, angle = 45°
Answer: 85.4cm -
4. Ratio
Simplify the ratio 3m:300cm
Answer: 1:100 -
5. Statistics
A bag has 7 red and 5 blue balls. What is the probability of picking a red ball?
Answer: 7⁄12