Multiple Choice Questions on Car A takes 1 hour more than car B which travels at a speed of 60 km per hour to cover some fixed di........... for CAPF (AC) Exam Preparation

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Multiple Choice Questions

Car A takes 1 hour more than car B which travels at a speed of 60 km per hour to cover some fixed di...........

Quantitative Aptitude( Paper-I ) Time & distance
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    Car A takes 1 hour more than car B, which travels at a speed of 60 km per hour , to cover some fixed distance. If car A had doubled its speed , it could cover the distance in 1 hour less time than car B travelling at 60 km per hour. What is the original speed of car A in km per hour?

    This questions was previously asked in
    CAPF 2023 Paper-1
    View All CAPF Previous Year Papers

    30

    Incorrect Answer

    40

    Incorrect Answer

    45

    Correct Answer

    50

    Incorrect Answer
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    Explanation:

    45.

    • We have given ,
    • Distance / speed of A – Distance / speed of B = 1
    • Distance / speed of B - Distance / 2 × speed of A = 1
    • Thus Add this two equations.
    • Distance / speed of A - Distance / 2 × speed of A = 2
    • Distance / speed of A = 4
    • Thus put value in equation 1
    • Distance / speed of B = 3
    • Distance = 180
    • Thus , Speed of A = 180 / 4 = 45.

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