Multiple Choice Questions on A car covers the first 39 km of it rsquo s journey in 45 minutes and covers the remaining 25 km in 3........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

A car covers the first 39 km of it rsquo s journey in 45 minutes and covers the remaining 25 km in 3...........

Quantitative Aptitude ( CCS) Time & distance
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    A car covers the first 39 km. of it’s journey in 45 minutes and covers the remaining 25 km. in 35 minutes. What is the average speed of the car ?

    40 kmph

    Incorrect Answer

    64 kmph

    Incorrect Answer

    49 kmph

    Incorrect Answer

    48 kmph

    Correct Answer
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    Explanation:

    Average speed = Total distance/ Total time
    = (39 + 25)km/(45 + 35) minute
    = 64/(80/60) kmph
    = (64 × 60)/80 kmph
    = 48 kmph

    By: Pranav Gupta
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