Mean of 10 numbers is 30. Later on it was observed that numbers 15, 23 are wrong – OfficerPath

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Mean of 10 numbers is 30. Later on it was observed that numbers 15, 23 are wrongly taken as 51, 32. The correct mean is :

Subject: MathematicsTopic: Average

A

25.5

B

32

C

30

D

34.5

Correct Answer: A

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