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

    Question

    A tourist van travels the distance of 35 km from

    Dehradun to Mussoorie at an average speed of 36 km/h and returns at 60 km/h. What is the approximate average speed (in km/h) of the tourist van for the entire journey?
    A 48 Correct Answer Incorrect Answer
    B 42 Correct Answer Incorrect Answer
    C 45 Correct Answer Incorrect Answer
    D 50 Correct Answer Incorrect Answer

    Solution

    x is the speed for the first leg of the journey (36 km/h) y is the speed for the return leg of the journey = (60 km/h) Average Speed =2xy/x+y Average speed = (2×36×60)/ (36+60) Average speed = (120×36)/96 Average speed = 360/8 Average speed = 45 km/h

    Practice Next
    More Previous year papers Questions

    Relevant for Exams:

    ask-question