The mean of 20 items is 55. If two items 45 and 30 are removed, the new mean of the remaining items is :

The mean of 20 items is 55. If two items 45 and 30 are removed, the ne

1.	The mean of 20 items is 55. If two items 45 and 30 are removed, the new mean of the remaining items is :
A.	5.1
B.	5.3
C.	6.9
D.	6
Answer» D. 6

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The mean of 20 items is 55. If two items 45 and 30 are removed, the new mean of the remaining items is :

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