## Publishing my book

Its been a while that posted an article here. I have been extremely busy with my new startup QLab Technologies. I have been receiving a number of queries, and some amazing feedback from a number of students about articles on… Continue Reading

## How to divide the number when the divisor ends in digit 9 – Part 2?

This is the second part of our discussion on how to divide the number when the divisor ends in digit 9.  If you have not gone through the first part, I advise you to go through that part here. This… Continue Reading

## How to guess if the number is a perfect square ?

We have seen a number of shortcut to obtain the square of a number, to check if the number is a perfect square. In this tutorial, we will see how to guess if the number is a perfect square or… Continue Reading

## Date and Calender

Problems on Date and Calenders are most commonly asked questions these days in competitive examinations. We often see, atleast 2 questions on the same topic. I have seen students spending a lot of time on solving these questions. I received… Continue Reading

## How to remember multiplication tables upto 100?

As a student growing up in the school, I found it extremely hard to memorize the multiplication table. At times, it made me feel that I am really poor in mathematics. Later, I realized, I was not alone. Most of… Continue Reading