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IMAS 2024/2025 Upper Primary Division - First Round Question 21

IMAS · IMAS 2024/2025 Upper Primary Division - First Round

Question 21

Consider an analog clock with hour and minute hands, where the current time is 3 o’clock. In $t$ minutes, the hour and minute hands will be equidistant from the 12 o’clock direction in terms of angles, but the two hands are not overlapping. What is the smallest possible value of $\frac{143t}{10}$?

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