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

    Question

    Nisha travels the first half of her journey at a speed of

    80 km/hr and the second half at the speed of ‘x’ km/hr. If her average speed for the entire trip is 50 km/hr, find the value of ‘x’.
    A 36.36 km/hr Correct Answer Incorrect Answer
    B 25.25 km/hr Correct Answer Incorrect Answer
    C 27.60 km/hr Correct Answer Incorrect Answer
    D 42.50 km/hr Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ,

    Average speed = (Total distance covered / Total time taken)

    Let the total distance travelled by Nisha be 2D km

    According to the question,

    Image

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