The average of 17 numbers is 29. The average of first 9 numbers is 31 – McqOptions

MCQOPTIONS

1.	The average of 17 numbers is 29. The average of first 9 numbers is 31 and the average of the last 9 numbers is 27. If 9th number is excluded, then what is the average of the remaining numbers?
A.	31
B.	31.6
C.	29.5
D.	29
Answer» E.

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