Multiple Choice Questions on The average marks secured by 15 students are 70 and later it was found that one entry is wrong and 6........... for HCS Exam Preparation

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Multiple Choice Questions

The average marks secured by 15 students are 70 and later it was found that one entry is wrong and 6...........

Quantitative Aptitude (HCS) Average
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    The average marks secured by 15 students are 70 and later it was found that one entry is wrong and 65 is written instead of 45. Find out he corrected average.

    67.66

    Incorrect Answer

    68.66

    Correct Answer

    69.66

    Incorrect Answer

    70

    Incorrect Answer
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    Explanation:

    (15*70-65+45)/15 = 68.66

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