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    • Question

      Two trucks, ‘P’ and ‘Q’, start from locations

      ‘U’ and ‘V’ respectively, moving towards each other at the same time. After 10 hours they meet, and truck ‘Q’ has covered 180 km more than truck ‘P’. If the total distance between U and V is 780 km, how far did truck ‘P’ go in 6 hours?
      A 196 km Correct Answer Incorrect Answer
      B 160 km Correct Answer Incorrect Answer
      C 140 km Correct Answer Incorrect Answer
      D 180 km Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      ATQ,

      Let distance travelled by truck ‘P’ = ‘x’ km

      Then, distance travelled by truck ‘Q’ = ‘x + 180’ km

      According to question;

      x + x + 180 = 780

      Or, 2x = 600

      Or, x = 300

      Distance travelled by truck ‘P’ in 10 hours = 300 km

      Speed of truck ‘P’ = 300 / 10 = 30 km/h

      Distance travelled by truck ‘P’ in 6 hours = 30 × 6 = 180 km

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