Multiple Choice Questions on The average weight of 20 students is 60kg If the weight of the teacher is added average is increased........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

The average weight of 20 students is 60kg If the weight of the teacher is added average is increased...........

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    The average weight of 20 students is 60kg.If the weight of the teacher is added, average is increased by 2kg.What was the teacher’s weight ?

    100kg

    Incorrect Answer

    101kg

    Incorrect Answer

    102kg

    Correct Answer

    103kg

    Incorrect Answer
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    Explanation:

    x/20 =60; x = 1200
    x/21 = 62; x = 1302
    1302 – 1200 = 102

    By: Sandeep Dubey
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