New 55% Off on All Courses - Enroll Now! Click Here

    Question

    Two trains approach each other at 21 kmph and 25 kmph

    from 2 places 230 km apart. After how many hours they will meet?
    A 5 hours Correct Answer Incorrect Answer
    B 7 hours Correct Answer Incorrect Answer
    C 6 hours Correct Answer Incorrect Answer
    D 4 hours Correct Answer Incorrect Answer
    E 8 hours Correct Answer Incorrect Answer

    Solution

    Distance = 230 km Speed of train 1 = 21 km/hr Speed of train 2 = 25 km/hr Relative speed = 21 + 25 = 46 km/hr Therefore, speed = distance/time ⇒ 46 = 230/Time ⇒ Time = 230/46 = 5 hrs

    Practice Next

    Relevant for Exams: