Marked Numbers
Problem of the Week - February 12, 2024
You have a large circle with the numbers 1 – 1000 written around the circle in order. Starting at 1, every 15th numbers is marked (in other words, 1, 16, 31, and so on are marked). The marked numbers are not removed. The process is continued around and around the circle until all numbers that can be marked have been marked. How many numbers are marked?
Immediately after your correct answer is submitted, your name will be posted here.
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