SQUARE OF ANY NUMBER TRICK IN FEW SECOUND || SPEED MATHE

Squaring a Number is very important task for simplification questions. In this video i am explaining the Easiest way to Square a Number Mentally without Pen and Paper and I hope after watching this video you will be able to square a number in your Mind. So please watch the video till the end. august current affair in hindi    • AUGUST 2018 CURRENT AFFAIR COMPLETE D...