Out of the given three equations, the first two are solved on the basis of a specific system. On the same basis, find the correct answer for the third equation, which is not a solution.
6 + 2 = 40, 8 + 3 = 55, 9 + 4 = ?
1
65
2
75
3
60
4
80
Out of the given three equations, the first two are solved on the basis of a specific system. On the same basis, find the correct answer for the third equation, which is not a solution.
6 + 2 = 40, 8 + 3 = 55, 9 + 4 = ?