In the following question, two equations are given. Solve both the equations and mark the corresponding answer, if:
a) x is greater than y
b) x is less than y
c) x is greater than or equal than y
d) x is less than or equal to y
e) x = y or a definite relationship between x & y cannot be established
I.x2 - 19x + 84 = 0
II. y2 - 25y + 156 = 0