Multiple Choice Questions on A man travels some distance at a speed of 12 km hr and returns at a speed of 9 km hr If the total ti........... for SSC CGL Exam Preparation

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Multiple Choice Questions

A man travels some distance at a speed of 12 km hr and returns at a speed of 9 km hr If the total ti...........

Quantitative Aptitude (CGL) Time & distance
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    A man travels some distance at a speed of 12 km/hr and returns at a speed of 9 km/hr. If the total time taken by him is 2 hrs 20 min, the distance is

    35 Km

    Incorrect Answer

    21 Km

    Incorrect Answer

    9 Km

    Incorrect Answer

    12 Km

    Correct Answer
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    Explanation:

    Avg speed for the round trip is 2*12*9/(12+9)
    Avg = 216/21 = 72/7 km/h
    d = r*t
    d = (72/7)*(7/3) = 24 km RT
    12 km each way

    By: MIRZA SADDAM HUSSAIN
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