Answer
Explanation
After going through this, one can see a clear pattern in the whole thing.
1 + 1 = 5
The key is (1 × 1) × 5 = 1 × 5 = 5
2 + 2 = 20
(2 × 2) × 5 = 4 × 5 = 20
3 + 3 = 45
(3 × 3) × 5 = 9 × 5 = 45
4 + 4 = 80
(4 × 4) × 5 = 16 × 5 = 80
Hope this Helps!!!!
