May 2, 2014
A bag has certain number of pens. If you take out 3 pens at a time, 2 pens are left, if you take 4 pens, 1 […]
April 18, 2014
In this post we explain the basics of Least Common Multiple(LCM). We will understand the techniques on how to find the LCM of two or more […]
April 8, 2014
In this post we explain the basics of Highest Common Factor (HCF) also known as the Greatest Common Divisor(GCD) or the Greatest Common Factor(GCF). We will […]
February 19, 2014
In this post, we will have a look at the tips and techniques to calculate the Highest Power of a Number in a Factorial. We will […]
January 31, 2014
Before you check this post, can you answer the number of divisors of 1728. In this post, we have explained a simple technique that will help […]
November 13, 2013
In this post we will see how to calculate remainders like the remainder of a sum, remainder of a product and understand what is meant by […]
September 30, 2013
Here, we will see how to find the last two digits of a large number. In the previous post we tried to understand calculating the units […]
September 10, 2013
Here, we will see how to find the units digit of a number that is in the form ${x^y}$. We will first try to understand what […]