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    Question

    There are two trains A and B. A start from point

    X at 7 AM towards point Y. Another train B starts at 10 AM from point X. If they meet at 12 PM and speed of A is 60 km/hr, while that of B is 50 km/hr. Find distance between X and Y.
    A 200 km Correct Answer Incorrect Answer
    B 600 km Correct Answer Incorrect Answer
    C 400 km Correct Answer Incorrect Answer
    D 700 km Correct Answer Incorrect Answer
    E 440 km Correct Answer Incorrect Answer

    Solution

    Speed of train A = 60 kmph
    Speed of train B = 50 kmph
    Time taken by train A to meet train B at 12 PM = 5 hrs
    Time taken by train B to meet train A at 12 PM = 2 hrs
    Distance travelled by train A = 5 × 60 = 300 km
    Distance travelled by train B = 2 × 50 = 100 km
    Therefore, total distance between X and Y = 300 + 100 = 400 km

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