In this article, we will see how to use process of elimination techniques for problem solving and spot opposites in answer choices. This technique can be used mostly in questions categorized under Number Properties, and Ratio & Proportions. Let us look at an example to understand how POE Opposite technique can be applied.**Q) **A competitive exam scores answers with +1 point for one correct answer and -2 for one wrong answer. The scores of the 10 students who took the exam were 10, 4, 6,-2,-4,

-6, 12, -1, -5, and -8. What is the least class median to exam score ratio?

A) -0.625

B) -0.525

C) -0.425

D) 0.525

E) 0.625

Answer

From the answer choices, it is clear that the crucial point that differentiates the answers is the nature of the median score – whether it is positive or negative. If you apply the **Process of Elimination – Range...**