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    • Question

      Tannish travels from A to B at a speed of 20 km/h, from

      B to C at 15 km/h and from C to D at 30 km/h. If AB = BC = CD, then find Tannish’s average speed for the whole journey
      A 22 km/h Correct Answer Incorrect Answer
      B 19 km/h Correct Answer Incorrect Answer
      C 20 km/h Correct Answer Incorrect Answer
      D 21 km/h Correct Answer Incorrect Answer

      Solution

      The correct answer is C

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