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2024 SSMO Accuracy Round Problems/Problem 1

Revision as of 15:42, 2 May 2025 by Pinkpig (talk | contribs) (Created page with "==Problem== Let a time of day be three-full if exactly three of its digits are <math>3</math>s when displayed on a <math>12</math>-hour clock in the <math>hh:mm:ss</math> for...")
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Problem

Let a time of day be three-full if exactly three of its digits are $3$s when displayed on a $12$-hour clock in the $hh:mm:ss$ format. How many seconds of the day are three-full?

Solution

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