Sid is colouring the cells in the grid using the four colours red, blue, yellow and green in such a way that any two cells that share a vertex are coloured differently. He has already coloured some of the cells as shown.
What colour will he use for the cell marked ?
Select one option, then click Submit.
Red
Blue
Yellow
Green
You can’t be certain
Select an option, then submit.
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Junior Kangaroo 2019 (2019)
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