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🧠Mixed10 questions

Marathon & Race Calculator Knowledge Check

Sharpen your marathon & race calculator skills with algorithmically generated problems. Each attempt produces unique values to test your formula knowledge.

Laktawan ang matematika — gamitin ang calculator

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1 / 10

You run 5 km in 30 minutes. If you want to improve your time by 10%, what is your new target time in minutes?

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