Aptitude is the most important requisite for clearing any competitive exam. Aptitude skills form the bulk of most of the graduate level papers. The article Aptitude presents the latest model of Aptitude questions to prepare aspirants of different competitive exams in India, primarily for banking related employment. The article Aptitude - Quiz 8 is very useful for different exams such as IBPS PO, Clerk, SSC CGL, SBI PO, NIACL Assistant, NICL AO, IBPS RRB, Railways, etc.
Aptitude is a very important aspect of a person's life. Aptitude is one of the most important parts of competition exams and job interviews. You will find Aptitude questions in almost every exam paper. The reason is to judge the problem solving and decision-making skills of the candidate.
The aptitude section may involves Quantitative Ability, Logical Ability,Verbal Ability. These sections again divided in to several sub topics like number series, Train related problems, etc. Some times the questions related to Aptitude section is very difficult and at the same time easy.

Which one of the following is not a prime number ?

A. 31 B. 41 C. 61 D. 91