Perfect PSA (Problem Solving Assessment) Practice Papers for Class XI provides concise study material aimed at helping the students to have a quick overview of the essential study material and revise important aspects of the three major areas of study viz. Language Conventions, Quantitative Reasoning and Qualitative Reasoning. The books also provides Practice Papers (with answers/solutions/explanations) to enable the students attempting CBSE class XI exam as well as for different competitive examinations.