The average of 100 items was found to be 30 . If at the time of calcul – McqOptions

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1.	The average of 100 items was found to be 30 . If at the time of calculation , two items were wrongly taken as 32 and 12 instead of 23 and 11 , then the correct average is
A.	29.8
B.	29
C.	29.9
D.	29.5
Answer» D. 29.5

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