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    Question

    Humsafar express leaves Howrah station at a certain

    time. After 2 hours, Vande Bharat leaves the same station and travels in the same direction at a speed of 150 km/hr. If Vande Bharat catches up to Humsafar in 18 hours, then what is the speed of Humsafar express?
    A 135 km/h Correct Answer Incorrect Answer
    B 160 km/h Correct Answer Incorrect Answer
    C 175 km/h Correct Answer Incorrect Answer
    D 156 km/h Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ Distance travelled by Vande Bharat in 18 hours = 18 × 150 = 2700 km Speed of Humsafar express = 2700/(18 + 2) = 2700/20 = 135 km/h

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