Multiple Choice Questions on A car travels from A to B with 40 Km h and returns from B to A with 60 Km h Its average speed during........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

A car travels from A to B with 40 Km h and returns from B to A with 60 Km h Its average speed during...........

Quant (SSC) Time & distance
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    A car travels from A to B with 40 Km/h and returns from B to A with 60 Km/h. Its average speed during the whole journey is

    48 km/h

    Correct Answer

    50 km/h

    Incorrect Answer

    45 km/h

    Incorrect Answer

    60 km/h

    Incorrect Answer
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    Explanation:

    Let’s say the distance between A and B is 120 km. Then:
    120/40 + 120/60=3+2=5 total hours traveling.
    2 x 120=240 km driven
    240/5=48 kph average

    By: MIRZA SADDAM HUSSAIN
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