If one of your answers was 40 then you’re absolutely correct!
First equation: 1 + 4 = 5.
Second equation: 2 + 5 (plus the previous sum of 5) = 12.
Third equation: 3 + 9 (plus the previous sum of 12) = 21.
Fourth equation: 8 + 11 (plus the previous sum of 21) = 40.
But what is the second answer???
Scroll down to find.
ANSWER
The second answer is 96!
First equation: 1 x 4 + 1 = 5
Second equation: 2 x 5 + 2 = 12
Third equation: 3 x 6 + 3 = 21
Fourth equation: 8 x 11 + 8 = 96