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      Question

      An athlete runs an 800 m race in 96 seconds. His speed

      (in km/h) is:
      A 25 km/h Correct Answer Incorrect Answer
      B 30 km/h Correct Answer Incorrect Answer
      C 40 km/h Correct Answer Incorrect Answer
      D 20 km/h Correct Answer Incorrect Answer

      Solution

      ATQ, Formula used: Speed = Distance/Time Converting speed from m/s into km/h a m/s = [a Γ— (18/5)] km/h Calculations: Speed of the athlete = 800/96 β‡’ (25/3) m/s Converting the speed from m/s into km/h β‡’ (25/3) Γ— (18/5) β‡’ (5/3) Γ— 18 β‡’ 5 Γ— 6 β‡’ 30 km/h ∴ The speed of the athlete is 30 km/h

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