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7th Class Science Time and Motion Question Bank Motion and Time

  • question_answer
    The graph given below shows the motion of four runners P, Q, R and S in a 5 km marathon. Who ran the fastest?

    A)  P                                           

    B)  Q                           

    C)  R                           

    D)         S

    Correct Answer: A

    Solution :

    The time taken by P is the least among the four runners. It is more than \[2\,{\scriptstyle{}^{1}/{}_{2}}\] hours, while the other runners took more time to cover the same distance. Hence, P ran the fastest.


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