The average of six numbers is X and the average of three of these is Y – McqOptions

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1.	The average of six numbers is X and the average of three of these is Y.If the average of the remaining three is z, then
A.	x = y + z
B.	2x = y + z
C.	x = 2y + z
D.	x = y + 2z
Answer» C. x = 2y + z

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