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:

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 х = 2у-2z

D None of these

Solution

Correct Answer: Option B