Multiple Choice Questions on A man covers a certain distance at 75 km hr and returns back to the starting point at 50 km hr Find ........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

A man covers a certain distance at 75 km hr and returns back to the starting point at 50 km hr Find ...........

Quantitative Aptitude ( CCS) Time & distance
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    A man covers a certain distance at 75 km/hr and returns back to the starting point at 50 km/hr. Find his average speed during the whole journey.

    60 km/hr

    Correct Answer

    45 km/hr

    Incorrect Answer

    75 km/hr

    Incorrect Answer

    90 km/hr

    Incorrect Answer
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    Explanation:

    Average speed = 2xy/(x + y)(2×75×50/75+50)km/hr = 60 km/hr.

    Hence, option 1 is the correct answer.

    By: Amit Kumar
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