What is the time taken to cover 60 km at a speed of 80 km/h?
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What is the smallest positive integer solution to the equation x^n + y^n = z^n for n > 2, according to Fermat's Last Theorem?
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What is the resultant displacement when a vector of magnitude 100 units at 30° north of east is added to a vector of magnitude 150 units at 45° west of north?