This book needs no words to be explained. Though lengthy, thicker and not updated but yet it’s the best. Lot of practice problems with fully solved exercises and comprising problems to toughest level for exams like sbipo, ssc and definitely not cat.
Its boon is that it has numerous questions from all the sections will help you to practise well and score good marks in the exam. It covers almost all the previous questions of important examinations
And its bane is that not good enough for exams like UPSC and CAT