number system

In a number of situation, we will to find factors of a given number. Some of the factors of a given number can be found very easily either by observation or by applying simple rules. We will look at some rules for divisibility of numbers: Divisibility by 2: A number divisible by 2 will have […]

Numbers is one of the most important topics required for competitive entrance exams. It has been observed that Question paper has 20-30% question on number system. Classification of Numbers/Integers 1. Real Number: Real Number are classified into rational and irrational numbers. Rational Numbers: A number that can be expressed in the p/q where p and