Multiple Choice Questions on A man is running at the speed of 20 km hr What is time in seconds taken by man to cover one round of........... for SSC CGL Exam Preparation

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Multiple Choice Questions

A man is running at the speed of 20 km hr What is time in seconds taken by man to cover one round of...........

Quantitative Aptitude (CGL) Mensuration 2D
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    A man is running at the speed of 20 km/hr. What is time (in seconds) taken by man to cover one round of a circular garden of radius 350 metres?

    412

    Incorrect Answer

    336

    Incorrect Answer

    396

    Correct Answer

    376

    Incorrect Answer
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    Explanation:

    perameter of circle=2pie r
    =2*22/7*350=2200m
    speed= 20*5/18=5.5m/s
    time = distece /speed=2200/5.5=396 approx

    By: MIRZA SADDAM HUSSAIN
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