Question

If,
1 = 49
2 = 51
3 = 52
then
4 = ??

Answer 1

Answer= 50
1= 48 + 1^2 = 49
2 = 48 + 2^2- 1^2 = 51
3 = 48 + 3^2 - 2^2 - 1^2 = 52
4 = 48 + 4^2 - 3^2 - 2^2 - 1^2 = 50

Answer 2

1 = 49
2 -> 49+2 = 51
3 -> 49+3 = 52
4 -> 49+4=53

Answer 3

1=49
2=51
3=52
4=54

Comments

looks ok to me