1 . The average of six numbers is x and the average of three is y. If the average of the remaining three is z, then :
- A. x=y+z
- B. x=2y+2z
- C. 2x=y+z
- D. none of these
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1 . The average of six numbers is x and the average of three is y. If the average of the remaining three is z, then :
View Answer | Discuss in Forum | Workspace | Report |