Which of the following sums does not equal the others?

Question

Question options:

1)
2)
3)
4)

Answer 1

Hi Muhaamed,

1) 1² + 2² + 3²= 14

2) 1³ + 2³ = 9

3) 2+3+4+5 = 14

4) 2(4) - 2 + 2(5) - 2=14

Choice 3 is not like the others.

Regards,

Anita A.