Math, asked by krbathiran, 14 hours ago

8. The mean of 11 number is 5. If one more number is removed from the collection, the new mean of the twelve numbers would be 7. Find the number of the 12th number.

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Answered by satansam88

2

29

Step-by-step explanation:

Mean of 11 numbers = 5
Sum of 11 numbers= 11 × 5 = 55
Mean of 12 numbers = 7
Sum of 12 numbers = 12 × 7 = 84
Excluded number = ( 84 - 55 )
29

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