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The table shows the marks obtained of three students before and after studying mathematics in a group. Name Marks obtained before studying in group(out of 100) Marks obtained after studying in group(out of 100) Mansi 67 79 Harman 54 60 Faisal 63 74 which is the approximate average marks obtained by all the three students together in each type of study?

The table shows the marks obtained of three students before and after studying mathematics in a group. Name Marks obtained before studying in group(out of 100) Marks obtained after studying in group(out of 100) Mansi 67 79 Harman 54 60 Faisal 63 74 which is the approximate average marks obtained by all the three students together in each type of study? Correct Answer 61.33, 71

Concept:

Average = Sum of numbers/Total numbers 

Calculation:

Average marks obtained before studying in group by all the three students = (67 + 54 + 63)/3 = 61.33

Similarly, average marks obtained after studying in group by all the three students = (79 + 60 + 74)/3 = 71

Hence, the approximate average marks obtained in each type of study is 61.33, 71.

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