Multiple Choice Questions on In a class of 20 students the average of their marks is 59 If one student left the class then averag........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

In a class of 20 students the average of their marks is 59 If one student left the class then averag...........

Quantitative Aptitude ( CCS) Average
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    In a class of 20 students the average of their marks is 59. If one student left the class then average become 60. Find the marks of that student?

    78

    Incorrect Answer

    59

    Incorrect Answer

    40

    Correct Answer

    30

    Incorrect Answer
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    Explanation:

    Average increases by 1 when 1 leaves,

    so for 19 students = 59 – 19 = 40

    Hence, option 3 is the correct answer.

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