the average of six numbers is x and the average of three of these is y. if the

Question

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 :

Options:

A . x = y + z

B . 2x = y + z

C . 3x = 2y - 2z

D . none of these

Answer: Option B
Explanation :

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