Question

Find the least number of ways of choosing three different numbers from 1 to 10 so that all

choices have the same sum?

Answer 1

we define the following

(1,2,10) or (1,4,8) or (1,5,7) or (1,3,9) or (2,3,8) or (2,4,7) or (2,5,6) or (3,4,6)

which results to 8 ways