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      Question

      Train C leaves Jaipur at a certain time. After 2 hours,

      Superfast Express leaves the same station and travels in the same direction at the speed of 120 km/h. If Superfast Express catches up Train C in 4 hours, then what is the speed of Train C?
      A 90 km/h Correct Answer Incorrect Answer
      B 80 km/h Correct Answer Incorrect Answer
      C 100 km/h Correct Answer Incorrect Answer
      D 85 km/h Correct Answer Incorrect Answer

      Solution

      Distance travelled by Superfast Express in 4 hours = 120 Γ— 4 = 480 km
      Speed of Train C = 480 / (2 + 4) = 80 km/hr

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