This Multiple Choice Question (MCQ) book of RSEB (Rajasthan State Electricity Board) 2021, is especially designed for all vacancies of RSEB like, AEn, JEn, Accountant, Account Officer, Personal Officer, Commercial Officer, Junior Accountant, Legal Officer, Chemist, Informatics Assistant, etc., those consist their 40% part of exam paper as non-technical. The book contains all topics of latest syllabus such as, Reasoning and Mental Ability, Mathematics, General Knowledge and Science, Hindi and English. The book covers entire syllabus with topic-wise bifurcation of questions carrying proper solution & justification of each question.