Essential Quantitative Aptitude for Competitive Exams

It is well known that now-a-days in competitive exams we follow the pattern of First past the post. So it is very much necessary to know short-cut tricks in Mathematics/ Quantitative Aptitude.
To give you an edge over other students, much researched short-cut Tricks and Methods are introduced in this book in the section named EXAM APPROACH.
You are also advised to look at the solutions of the problems, as alternate solutions are provided in many questions so that you can compare