In this video, we will have a look at tricks to quickly find the square of numbers ending in 5, 25 or 75.
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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 understand the techniques on how to find the HCF of two or more numbers. Under the “Problems on HCF” section we will solve some important aptitude problems on HCF. […]