Square root Tricks

In this video i am discussing a trick through which you can find square root of number easily and very quickly even with a little price you can find square root in your mind only without using pen or paper. In the exams like IBPS PO, SBI PO, CAT, MAT , GMAT and other competitive exams speed is the foremost important criteria which decides selection, so calculating fast is one of the key method to clear any competitive exam.