The positive integer and every fourth integer after that are coloured red; and every fourth integer after that are coloured blue; and every fourth integer are coloured yellow and and every fourth integer are coloured green. Peter picks a number coloured yellow and a number coloured blue and adds them together. What could the colour of his answer be?
Select one option, then click Submit.
blue or green
only green
only yellow
only blue
only red
Select an option, then submit.
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Junior Kangaroo 2022 (2022)
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