Multiple Choice Questions on A car travels frac34 th of the distance at a speed........... for CAPF (AC) Exam Preparation

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Multiple Choice Questions

A car travels frac34 th of the distance at a speed...........

Quantitative Aptitude( Paper-I ) Time & distance
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    A  car    travels  ¾ th    of  the   distance  at a speed of 60 km/hr and the remaining ¼ th of the distance at a speed of v km/hr. If the average speed for the full journey is 50 km/hr, then the value of vis

    This questions was previously asked in
    CAPF 2022 Paper-1
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    40

    Incorrect Answer

    30

    Incorrect Answer

    100/3

    Correct Answer

    35

    Incorrect Answer
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    Explanation:

    100/3

    • let distance = 100km
    • Avg. speed = Total Dist /Total time
    • t1 = 75 /60 ( as 3/4th distance = 75km
    • t2= 25/v
    • So, 50 =100/((75/60)+(25/ 60))
    • 5/4 + 25/v = 2
    • 5V +100 = 8V
    • 3V=100
    • V=100 /3 km/hr.

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