GAIC Math 2024 Problem 121
- Answer
There is a stack of 52 face-down playing cards on the table. Mim takes 7 cards from the top of this stack, flips them over, and puts them back at the bottom, calling it one operation. The question is: how many operations are needed at least to make all the playing cards face-down again?
Dataset text MathOdyssey. Open licence.
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112
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