📢 Too many exams? Don’t know which one suits you best? Book Your Free Expert 👉 call Now!
  • google app store apple app store
    • âś–

      Question

      A boat takes 12 hours to cover 's' km in still water.

      While traveling downstream, it takes 8 hours to cover (s - 32) km. If the speed of the boat in still water is 4 times the speed of the stream, find the speed of the stream.
      A 18 km/h Correct Answer Incorrect Answer
      B 4 km/h Correct Answer Incorrect Answer
      C 8 km/h Correct Answer Incorrect Answer
      D 15 km/h Correct Answer Incorrect Answer
      E none of these Correct Answer Incorrect Answer

      Solution

      ATQ, Let the speed of the stream be = u km/h. Speed of the boat in still water = 4u km/h. Using the equation:    Downstream speed =  4u +  u = 5v km/h. Using the downstream equation:     From equations (I) and (II):       Thus, the speed of the stream is 4 km/h.

      Practice Next
      More Mixture Questions

      Relevant for Exams:

      ask-question