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      Question

      In covering a distance of 30 km, Amit takes 2 hours more

      than Sammer. If Amit doubles his speed, he will take 1 hour less than Sameer does not change his speed of travel. Amit’s original speed is _______.
      A 25 km/h Correct Answer Incorrect Answer
      B 10 km/h Correct Answer Incorrect Answer
      C 5 km/h Correct Answer Incorrect Answer
      D 20 km/h Correct Answer Incorrect Answer

      Solution

      ATQ, Amit's speed be s km/hr  ⇒  30/s - 30/2s = 3 ⇒ 6s = 30  ⇒ s = 5 km/hr ∴ Amit's speed is 5 km/hr.

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