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  3. CEE Kerala Engineering

CEE Kerala Engineering CEE Kerala Engineering Solved Paper-2002

  • question_answer
    The average weight of students in a class of 35 students is 40 kg. If the weight of the teacher be included, the average weight rises by\[\frac{1}{2}\]kg. The weight of the teacher is:

    A)  40.5 kg  

    B)                                         50 kg

    C)         41 kg                                    

    D)         40 kg

    E)         58 kg

    Correct Answer: E

    Solution :

    Let the weight of teacher is\[x\text{ }kg\] \[\therefore \]  \[\frac{35\times 40+x}{36}=40.5\] \[\Rightarrow \]               \[x=1458-1400=58\,kg\]


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