Fast Math Tricks
Square of Numbers ending in 5, 25 and 75
In this video, we will have a look at tricks to quickly find the square of numbers ending in 5, 25 or 75. https://www.youtube.com/watch?v=i2VxK7pez3w
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Percentage
Percentage problems involving two variables
In this post we will see how to deal with percentage problems involving two variables. Consider the two problems on percentage given…
Percentage
Percentage Increase and Decrease
Here we will explain how to solve problems on Percentage increase and decrease using the concept of Multiplication factor. The concept of…
Percentage
How to Calculate Percentages Mentally
In this post we will explain how to calculate percentages mentally and quickly using a Vedic Math technique. We will use a…
Number Theory
Using Chinese Remainder Theorem
A bag has certain number of pens. If you take out 3 pens at a time, 2 pens are left, if you…
Number Theory
Least Common Multiple
In this post we explain the basics of Least Common Multiple(LCM). We will understand the techniques on how to find the LCM…
Number Theory
Highest Common Factor
In this post we explain the basics of Highest Common Factor (HCF) also known as the Greatest Common Divisor(GCD) or the Greatest…
Number Theory
Highest Power of a Number in a Factorial
In this post, we will have a look at the tips and techniques to calculate the Highest Power of a Number in…
Number Theory
Divisors of a Number – Sum and Product of Divisors
Before you check this post, can you answer the number of divisors of 1728. In this post, we have explained a simple…