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One Rep Max Calculator Knowledge Check

Sharpen your one rep max calculator skills with algorithmically generated problems. Each attempt produces unique values to test your formula knowledge.

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Some lifters love the Brzycki formula: 1RM = Weight / (1.0278 - 0.0278 * Reps). If you lifted 390 lbs for 6 reps, what is your 1RM according to Brzycki? (Round to the nearest whole number)

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