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Practice Free Average Set 8 Questions Set 1
Question No:
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 :
x = y + z
2x = y + z
3x = 2y - 2z
none of these
namrata
good
Amrot
Amrot
I want to practice
Amrot
I want to practice
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