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After 13 years of collaboration, MindSumo will be winding down its platform operations and closing December 31st, 2025. We are sincerely grateful to our solvers and clients for their contributions and partnership. If you have any questions, please contact us at [email protected].
Half Filled Penny Jar
Sponsored by MindSumo

You have a jar that contains a single penny. Every minute, the number of pennies inside the jar doubles. If the jar gets filled after an hour, how many minutes will it take for the jar to be half full?

(Only enter the number)

Difficulty: 2/10

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