New Enroll in RBI Grade B New Batch - Starts on May 21

    Question

    A car travels at the speed of 50 km/hr for the first

    half of the journey and at the speed of 60 km/hr for the second half of the journey. What is the average speed of the car for the entire journey?
    A 54.54 km/hr Correct Answer Incorrect Answer
    B 36.36 km/hr Correct Answer Incorrect Answer
    C 50.5 km/hr Correct Answer Incorrect Answer
    D 45.45 km/hr Correct Answer Incorrect Answer

    Solution

    Average Speed =2×50×60)/50+60 = (2×60×50)/110 =600/11 =54.54km/h

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