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ASMO Math 2022 — Grade 9 — School Round Question 23

ASMO Maths · ASMO Math 2022 — Grade 9 — School Round

Question 23

Six numbers are randomly selected from the integers 1 to 45 inclusive. Let k be the probability that at least three of the numbers are consecutive. Determine $\lfloor1000k\rfloor$. (Note: $\lfloor m\rfloor$ denotes the greatest integer less than or equal to m).

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