SSC Sample Paper SSC CGL - Sample Paper-10

  • question_answer
    There are 50 students in a class. One of them weighing 50 kg goes away and a new student joins. By this the average weight of the class increases by \[\frac{1}{2}\,kg.\] The weight of the new student is

    A)  70 kg               

    B)  72 kg

    C)  75 kg   

    D)  76 kg

    Correct Answer: C

    Solution :

    Total weight increased \[=\frac{1}{2}\times 50=25\,kg\] \[\therefore \] Weight of the new man             \[=50+25=75\,kg\]       

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