I am giving 5 Stars to this Book "Magical Book On Quicker Maths" as It has various shortcut formulas on addition, substraction and whole BODMASS .
It is very good to crack various competitive exams such SSC, Bank, Railways etc.You will get lots of tricks by reading this book to crack such competitive exams .
It doesn’t have lots of practice questions in it but it has various tricks to solve various problems relating to addition, substracting and whole BODMASS.