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IMSO 2019 — Math Division — Short Answer Question 4

IMSO Maths · IMSO 2019 — Math Division — Short Answer

Question 4

The word IMSOHANOI is repeated 2019 times:
IMSOHANOIIMSOHANOIIMSOHANOI…
Then, the letters are coloured, starting from the left, each letter in one colour, in a repeating pattern: red, blue, yellow, green, red, blue, yellow, green, …
What is the colour of the 2019th “I” (counting from the left)?