Question 304748: { 2, 5,6,7,10}
How many different pairs of unequal numbers can be chosen from the set above so that their sum is greater than 10 ? ( do not consider a pair such as 5,2 to be different from 2,5.)
A 7 b 10 c 14 d 32 e 60
Answer by themathtutor2009(81)   (Show Source):
You can put this solution on YOUR website! Pairs:
2,10........2+10=12
5,6........5+6=11
5,7........5+7=12
5,10........5+10=15
6,7........6+7=13
6,10........6+10=16
7,10........7+10=17
answer: A
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