We started LetsMath and were looking for a cool web domain when we discovered Alphabet’s — abc.xyz. We…

Before you tell me “Of course!” and think that I have lost my mind, let me ask you a question.

What is the tens digit of 11¹² ?

Stop! Don’t take out that calculator just yet. Let me first tell you how some…

Few facts to note:

1. On the number line, odd and even numbers alternate. For example: 1 is odd, 2 is even. So, for any two consecutive number one will be odd and the other even. 2. Between two consecutive even…