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PK 2017 Q1

PKCurrent spec5 marksAlgebraNumber & Arithmetic

1. In the number pyramid shown each number is the sum of the two numbers immediately below. What number should appear in the left-hand cell of the bottom row?

  1. A 15
  2. B 16
  3. C 17
  4. D 18
  5. E 19
A number pyramid of three rows: the top cell is 2039; the middle row has an empty cell and 2020; the bottom row has a question mark, an empty cell and 2017

Pink Kangaroo 2017, Question 1. © UK Mathematics Trust. Original paper on ukmt.org.uk

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