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CBSE Class 9 Answered

pls answer this question
Asked by shivali bansal | 17 Feb, 2012, 07:27: PM
answered-by-expert Expert Answer
Mean marks of 8 students = 65
Total marks scored by 8 students = 65 x 8 = 520
Sum of scores of 7 students =60 + 70 + 55 + 50 + 60 + 65 + 85 =  445
Therefore, the score of the 8th student = 520 - 445 = 75
Answered by | 18 Feb, 2012, 12:24: PM

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