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Lintel · Grades 5–7 Keystones #1 26 December 2021
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Keystones — Lintel

Five GCSE retrieval questions · 26 December 2021 · mathsvault.uk/keystones

  1. 1. Number

    The sum of three consecutive numbers is 141. What are the numbers?

    Answer: 46, 47, and 48
  2. 2. Algebra

    Solve: x4 = 6.5

    Answer: x = 26
  3. 3. Geometry

    Adjacent = 23cm, hypotenuse = 43cm. Find the angle

    Answer: 57.7°
  4. 4. Ratio

    Calculate 47.5% of 538

    Answer: 255.55
  5. 5. Statistics

    A bag has 6 red and 3 blue balls. What is the probability of picking a red ball?

    Answer: 23