Question: how to solve quadratic equations quickly for bank exams?
Answer: ax2 + bx + c = 0. ... 
A) If x >= y, i.e. x is greater than or equal to y.
B) If x > y, i.e. x is greater than y.
C) If x <= y, i.e. x is less than or equal to y.
D) If x < y, i.e. x less than y.
E) If x = y, or no relation can be established between x and y.