This book contains some tricks extracted from Vedic Mathematics
Which are useful in making Calculations in short peroid of time or
While solving some problems.The book is very useful,the thing is
Some practise need to be done,these tricks help make calculations
In less peroid of time.
Theorems on Number Theory by Shubhankar Paul
Two theorems and some tips to solve problems on number theory by Shubhankar Paul
Horse move till end game by Shubhankar Paul