Very nice book to do maths / Quantitative aptitude very quickly.
Plus Points.
Easy to understand.
Great book for beginners.
short cuts to solve every problem in 20 sec.
covered all topics and all types of problems.
large no.of example problems.
Negative points.
concepts are very good but this book contains less no.of practice questions.
(If you want practice, you have to buy practice book on quicker maths)
Finally.
this book contains detailed explanation and excellent concepts from the beginner to the advanced level.
and a great book than lot of books available in the market(even though R S Agarwal’s Quantitative Aptitude).