The average of 10 numbers is 60.If one of them is ommitted,the new mean is increased by 3.Find the excluded number.
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see the omitted number took 3 from the AVG
i.e it took 3 from each of the 9 remaining numbers to become 60 . so the number is 60-27 = 33
i.e it took 3 from each of the 9 remaining numbers to become 60 . so the number is 60-27 = 33
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