Question

The mean of 8 number is 47 . If one numder is excluded mean of the remaining number become 46 . Find the excluded number

Answer 1

If the mean is 47, the total of all the no. will be 47 x 10 = 470

And if one no. Is excluded, it no. Remain

So the total of the no. left is 46 x 9 = 414

So the no. excluded is 470 - 414 = 56

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