Alex colours all the small squares that lie on the two longest diagonals of a square grid. She colours 2017 small squares. What is the size of the square grid?
Select one option, then click Submit.
1009 \times 1009
1008 \times 1008
2017 \times 2017
2016 \times 2016
2015 \times 2015
Select an option, then submit.
Sign in or create an account to reveal answers, view the solution, and save your progress. Create a free account to unlock practice and keep track of your work.
Junior Kangaroo 2017 (2017)
One puzzle per day. Cryptarithm, Magic Square, Summit. No sign-up required to play.
Play daily puzzle →Interactive problems and curated lessons—water pouring, magic squares, knight's tour, and more.
Browse library →See how you rank. Top solvers by problems solved correctly. Sign in to climb the ranks.
View leaderboard →Junior Kangaroo 2017 (2017)