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NEET Sample Paper NEET Sample Test Paper-75

  • question_answer
    Lucknow is at a distance of 200 km from Delhi. If A sets out from Delhi to Lucknow at a speed of 30 km/h and B sets out at the same time from Lucknow to Delhi at a speed of 20 km/h. The time after which they will meet is

    A)  2 h                              

    B)  3 h                 

    C)  4 h                              

    D)  None of these

    Correct Answer: C

    Solution :

    Relative speed of one with respect to another \[=30-\left( -20 \right)=50km/h\] Now, time taken to cover distance-of 200 km \[=\,\,\,\frac{200}{50}=4\,h\] \[\therefore \] They will meet after 4 h.


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