Keystones — Capstone
Five GCSE retrieval questions · 27 November 2023 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 93. What are the numbers?
Answer: 30, 31, and 32 -
2. Algebra
Solve: x⁄5 = 1.4
Answer: x = 7 -
3. Geometry
Adjacent = 26cm, hypotenuse = 39cm. Find the angle
Answer: 48.2° -
4. Ratio
Simplify the ratio 7m:700cm
Answer: 1:100 -
5. Statistics
The mean of 6 numbers is 34. If 5 of them are 29, 20, 44, 36, 29, what is the missing number?
Answer: 46