Multiple Choice Questions on The average weight of a class of 24 students is 35 kg If the weight of the teacher be included the a........... for Mathematics - All Exams Preparation

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    The average weight of a class of 24 students is 35 kg. If the weight of the teacher be included, the average rises by 400 g. The weight of the teacher is :

    40 kg 

    Incorrect Answer

    35 kg

    Incorrect Answer

    45 kg

    Correct Answer

    50 kg

    Incorrect Answer
    Explanation:

    Weight of the teacher = (35.4 x 25 - 35 x 24) kg = 45 kg.


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