The average of 35 numbers is 6. The average of the first 18 numbers is – McqOptions

MCQOPTIONS

1.	The average of 35 numbers is 6. The average of the first 18 numbers is 4 and the average of the last 18 numbers be 9. What is the value of middle number?
A.	21
B.	24
C.	27
D.	18
Answer» C. 27

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