mathematics tricks and fun

8th Lesson of Mathematics Tricks and Fun Hello friends this is the 8 lesson of mathematics tricks and fun. I am Dr Prema B Sejekan. We are going to study in this class on squaring and multiplication of numbers with digits in random. According to the Sutra Antyayor Dasake pe if in units place you get   5 + 5, 7 + 3, 8 + 2 , 6 + 4 , 9 + 1 that is unit place digits added together if you get 10 and the second clause says in the tens place you get 1 + 1, 2 + 2, 3 + 3 that is the same digits .If these conditions are met with , then add 1 to tens place one digit and multiply as shown in the examples.This is a sub corollary of Ekadhikena purvena which itself is a corollary of Nikhilam sutra Here we have to find out the square of 25 .5+5 is 10 , and in ten's place it is 2 ie same digit . So we will increase one 2 to 3 and multiply straight. Ie 5×5= 25 we will write next to it in 100s place we will write 6 ie 3×2 Answer is 625. How easy and quick it is. In the second e...