the average marks of ten students is 60. if the highest mark is executed, the average is 59.find the highest mark
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total marks obtained by ten students = 60×10 =600.
let the highest mark was x.
so marks obtained by 9 students =600-x.
average marks of 9 students =marks obtained by 9 students /9.
59 =( 600-x)/9
59×9 =600-x
600-x =531
x =600- 531
x =69.
let the highest mark was x.
so marks obtained by 9 students =600-x.
average marks of 9 students =marks obtained by 9 students /9.
59 =( 600-x)/9
59×9 =600-x
600-x =531
x =600- 531
x =69.
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