The book has been designed to cater to the real time problems faced by the aspirants who want to succeed in National Talent Search Examination, Olympiads and Scholarship-cum-Merit Tests conducted by various State Boards etc. It is strictly based on the latest pattern and curriculum issued from the NCERT. The book consists of two sections namely Mental Ability Test (MAT) and Scholastic Ability Test (SAT). The concepts are explained with solved examples and Multiple Choice Questions with Answer Key and Hints & Solutions are given to enhance the problem solving skills of students. Last two years Solved Papers are included to help understand the difficulty level and grasp the structure of questions asked in the exam and Four Practice Sets are included in CD for thorough practice.