Students should know the difference between odd numbers and even numbers. It is a basic concept of maths, even numbers are the numbers that are divisible by two and as a result of we can say remainder we get zero. It is a whole number that is able to be divided by two into two equal whole numbers. Students should know all the basic concepts of maths even if they do not have an interest in studying maths at least the basics should be clear. We can take various examples to make it more clear. Let us take the number 20, we need to find out if this number is even or odd so we will divide it by two. When we divide it by two then our remainder comes out to be zero which means that it is an even number. In the same way when we take another example like the number 21. When we divide the number 21 by two the remainder does not come out to be zero which means that this number is not even. If it is not even then it means that the number is odd. Maths is not a difficult subject, students just need to understand the concepts with concentration and then they will see great results in their academic performance. Study the concept once with full concentration so that you do not forget it for a lifetime and see how a student can cover all the syllabus efficiently. Hope that all the students have understood the basic concept of even numbers and odd numbers.