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Lintel · Grades 5–7 Keystones #1 8 May 2021
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Keystones — Lintel

Five GCSE retrieval questions · 8 May 2021 · mathsvault.uk/keystones

  1. 1. Number

    The sum of three consecutive numbers is 150. What are the numbers?

    Answer: 49, 50, and 51
  2. 2. Algebra

    Solve: x3 = 7.6666666666667

    Answer: x = 23
  3. 3. Geometry

    Adjacent = 14cm, hypotenuse = 34cm. Find the angle

    Answer: 65.7°
  4. 4. Ratio

    Simplify the ratio 8m:800cm

    Answer: 1:100
  5. 5. Statistics

    A spinner has 2 red, 4 blue and 3 green sections. Probability of landing on red?

    Answer: 29