The average marks obtained by 8 students in a certain examination are 51. the average marks obtained by another 9 students are68.what will be the average marks obtained by all students
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2
average mark obtained by each student =51+68÷8+9=7
Hence each student gained gained an average of 7 marks.
Hope it helped
Hence each student gained gained an average of 7 marks.
Hope it helped
Answered by
14
⇒average mark obtained by each student =51+68÷8+9=7
⇒Hence each student gained gained an average of 7 marks.
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