The average of 9 numbers is 30. If the average of the first 5 numbers – McqOptions

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1.	The average of 9 numbers is 30. If the average of the first 5 numbers is 25 and that of the last 3 is 35, what will be the sixth number?
A.	20
B.	30
C.	40
D.	50
Answer» D. 50

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