📢 Too many exams? Don’t know which one suits you best? Book Your Free Expert 👉 call Now!

  • google app store apple app store
  • ✖

      Question

      The distance covered by a train in (5y – 1) hours is

      (125y³ – 1) km. The speed of the train is.
      A (5y³ – 1) km/h Correct Answer Incorrect Answer
      B (25y² – 5y + 1) km/h Correct Answer Incorrect Answer
      C (5y + 1) km/h Correct Answer Incorrect Answer
      D 25y² + 5y + 1) km/h Correct Answer Incorrect Answer

      Solution

      Given - Time = 5y-1 Distance = 125y³ – 1 speed of train = (125y³ – 1)/ (5y – 1) = (5y – 1) (25y² +1 +5y)/ (5y – 1) = (25y² +1 +5y) km/h

      Practice Next

      Relevant for Exams:

      ask-question