-This book is 2nd part of "use your mental abilities" book and is mainly for NTSE students
-For 8th,9th and 10th students attending IIT coaching
- For students appearing for olympiads
-For students to get into IAS
-For those attending MBA entrance or CAT
-95-97% of problems are original and not found in any other book
-makes you think out of box
- Gives a boost to analytical and reasoning abilities
-solution set provided with explanation