Jan 12, 2017 01:38 AM
8406 Views
The key feature of this book is that it contains shortcut technique for solving arithmetic question which can speed up ur solving question ability. but also this book contain too much technique which can also lead to confusion.some technique are good and can be applied easily but has certain limitation.u need to be aware of that limitation that where to use such technique. if u want to learn some tricks for faster calculation, u can refer to this book