The average marks of ten students is 60. If the highest mark is excluded, the average is 59. Find the highest mark.
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Answer:
total marks obtained by ten students
60×10=600.
let the highest mark was x.
so the so marks obtained by 9 students =600-x.
average mark of 9students =marks
obtained by 9 students/9.
58×9=600-x
600-x=531
x=600-531
x=69.
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