New RBI Grade B 2025 Notification will come Soon! Enroll Here

    Question

    A man travels the first part of his journey at a speed

    of 40 km/h and the second part at a speed of 60 km/h. What is the average speed of the man?
    A 44 km/h. Correct Answer Incorrect Answer
    B 42 km/h. Correct Answer Incorrect Answer
    C 55 km/h. Correct Answer Incorrect Answer
    D 48 km/h. Correct Answer Incorrect Answer

    Solution

    Average speed = 2ab / (a+b)                            = 2×40×60 / (40+60)                           = 48 km/h.

    Practice Next