+0  
 
+1
2
103
2
avatar+23 

I choose three different numbers out of this list and add them together: 1, 3, 5, 7, 9,..., 105​. How many different totals can I get? 

 Oct 1, 2022
 #1
avatar
0

[105  -  1] / 2  +  1 ==53 terms

 

53 C 3==23,426 totals.

 Oct 1, 2022
 #2
avatar+23 
+1

the anwser should not repeat, for example 105+1+3 and 103+1+5 have the same anwser.

 

ps: I think that anwser is 150, can anyone check?

Tuckerrrr  Oct 1, 2022
edited by Tuckerrrr  Oct 1, 2022
edited by Tuckerrrr  Oct 1, 2022

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