Mathematics · Average

A student's marks were wrongly entered as 83 instead of 63. Due to this mistake, the average marks for the class increased by 1/2. Find the total number of students in the class.

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130
235
340✓
445

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A student's marks were wrongly entered as 83 instead of 63. Due to this mistake, the average marks for the class increased by 1/2. Find the total number of students in the class.

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A student's marks were wrongly entered as 83 instead of 63. Due to this mistake, the average marks for the class increased by 1/2. Find the total number of students in the class.

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