NTSE Sample Paper NTSE SAT Practice Test-16

  • question_answer
    A person goes from a place A to another place B at a speed of 4 kmph. and returns at the speed of 3 kmph. If he takes 7 hours in all, then the distance between two places is

    A) 12km               

    B) 8km

    C) 6km                               

    D) 5km

    Correct Answer: A

    Solution :

    [a] Total distance = time \[\times \] Average speed \[2\times AB=7\times \left( \frac{2\times 4\times 3}{4\times 3} \right)=24\,\,km\] \[\therefore \,\,\,\,\,AB=12km\]    


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