Multiple Choice Questions on A man performs 2 15 of the total journey by rail 9 20 by tonga and the remaining 10 km on foot The t........... for Civil Services Exam (CSAT) Preparation

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Multiple Choice Questions

A man performs 2 15 of the total journey by rail 9 20 by tonga and the remaining 10 km on foot The t...........

Math and Mental Ability Time & distance
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    A man performs 2/15 of the total journey by rail, 9/20 by tonga and the remaining 10 km on foot. The total journey is

    15.6 km

    Incorrect Answer

    12.8 km

    Incorrect Answer

    16.4 km

    Incorrect Answer

    24 km

    Correct Answer
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    Explanation:

    Let the total journey be x km. then,
    2x/15 + 9x/20 + 10 = x
    ⇒ 8x + 27x + 600 = 60x
    ⇒ x = 24

    Total journey = 24 km.

    Hence, option 4 is the correct answer.

    By: Amit Kumar
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