Sunday, January 15, 2017
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Member
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Join Date: Jan 2014
Location: Multan
Posts: 89
Thanks: 1
Thanked 14 Times in 12 Posts
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Quote:
Originally Posted by ambber
x+y=6, y+z=7, z+x=9. Find average arithmetic
answer was 11
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2x+2y+2z=22
x+y+z=11
(x+y+z)/3 = 11/3
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