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Lintel · Grades 5–7 Keystones #1 28 February 2024
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Keystones — Lintel

Five GCSE retrieval questions · 28 February 2024 · mathsvault.uk/keystones

  1. 1. Number

    The sum of three consecutive numbers is 102. What are the numbers?

    Answer: 33, 34, and 35
  2. 2. Algebra

    Solve: x5 = 2.8

    Answer: x = 14
  3. 3. Geometry

    Opposite = 16cm, adjacent = 19cm. Calculate the angle

    Answer: 40.1°
  4. 4. Ratio

    Find 82% of 117

    Answer: 95.94
  5. 5. Statistics

    A bag has 5 red and 6 blue balls. What is the probability of picking a red ball?

    Answer: 511