πŸ“’ Too many exams? Don’t know which one suits you best? Book Your Free Expert πŸ‘‰ call Now!

  • google app store apple app store
  • βœ–

      Question

      Train M, β€˜x’ metres long crosses (x – 34) metres

      long platform in 15 seconds while train N having the length (x + 34) metres crosses the same platform in 20 seconds. If the speeds of both trains are same then find the value of β€˜x’.
      A 75 Correct Answer Incorrect Answer
      B 68 Correct Answer Incorrect Answer
      C 100 Correct Answer Incorrect Answer
      D 95 Correct Answer Incorrect Answer
      E 80 Correct Answer Incorrect Answer

      Solution

      Total distance travelled by train M = (2x – 34) m Total distance travelled by train N = (x + 34 + x – 34) = 2x m According to question, => (2x – 34)/15 = 2x/20 => 40x – 680 = 30x => 10x = 680 => x = 68 m

      Practice Next
      ask-question