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Questions  >>  Olympiad-Math  >>  Class 10
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Q)

The mean of marks scored by 100 students was found to be 40, Later on it was discovered that a score of 53 was misread as $83$. The correct mean is ______

$(A) \; 39.5 \\(B)\; 39.0 \\(C)\;39.7 \\(D)\;39.1 $

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