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IKMC 2019 - Grades 9-10 - Self-study Question 1

IKMC · IKMC 2019 - Grades 9-10 - Self-study

Question 1

Two numbers have mean 2019. One is 2021. What is the other?
  1. 2017
  2. 2018
  3. 2020
  4. 2022
  5. 2023