ISRO & DRDO Reasoning topics wise list explain must know what's what

That's a great way to break down the preparation! Based on the exam-specific variations you mentioned and general syllabus information for these exams, here is a detailed, topic-wise list for the reasoning sections of ISRO and DRDO posts.

🚀 ISRO Scientist 'SC' (Part B - General Aptitude & Reasoning)

This exam focuses on broader, non-traditional logical skills, often referred to as "General Aptitude" alongside Reasoning.

CategoryKey TopicsNumerical ReasoningNumber Series (missing/wrong term), Arithmetical Reasoning, Data Interpretation (Graphs, Charts, Tables), Numerical Puzzles, Time and Work, Speed, Distance & Time, Percentages, Ratio & Proportion.Diagrammatic ReasoningAnalogy (Figure-based), Classification (Figure-based), Completion of Incomplete Pattern, Spotting Embedded Figures, Construction of Figures (Squares, Triangles).Abstract ReasoningPattern Recognition, Figure Matrix, Folding & Unfolding (Paper Cutting/Folding), Mirror/Water Images, Visual Reasoning.Deductive ReasoningSyllogism (Statements & Conclusions), Logical Connectives, Statement and Course of Action, Assertion and Reasoning.Logical ReasoningCoding-Decoding, Blood Relations, Direction Sense, Seating/Ranking Arrangements, Sequential Output Training, Eligibility Test.

🔬 DRDO CEPTAM (STA-B / Tech-A) - General Intelligence & Reasoning

This category typically covers a heavy and standard range of "General Intelligence" topics.

CategoryKey TopicsTime & Date LogicClocks, Calendars, Time Sequence Test.Non-Verbal ReasoningNon-Verbal Series, Figure Classification, Analogy (Figure-based), Embedded Figures, Mirror/Water Images, Paper Folding/Cutting, Completion of Figure Pattern, Cubes and Dice.Verbal/Analytical ReasoningAnalogy (Word/Number-based), Classification/Odd Man Out, Coding-Decoding, Blood Relations, Direction Sense Test, Syllogism, Logical Venn Diagrams.Series & PuzzlesNumber Series, Alphabet Series, Mixed (Alphanumeric) Series, Missing Characters, Puzzles (Box, Floor, etc.), Seating Arrangements.Arithmetical ReasoningArithmetical Problems (Age, etc.), Mathematical Operations.

📚 ISRO Assistant / UDC - General Intelligence & Reasoning

This focuses on clerical-level reasoning, prioritizing arrangement, sequence, and traditional verbal/non-verbal patterns.

CategoryKey TopicsSeries & SequenceRepeated Series (e.g., a_b_c_ab_), Number Series, Alphabet Series, Mixed Series.Arrangement & LogicLogical Arrangement of Words (e.g., in a dictionary or meaningful order), Ranking Arrangement, Sitting Arrangement, Venn Diagrams.Verbal/Analytical ReasoningCoding-Decoding, Blood Relations, Direction Sense, Analogy, Classification (Odd Man Out).Non-Verbal ReasoningFigure Series, Figure Analogy, Dice, Cubes & Cuboids, Mirror Images, Embedded Figures.Time & DateClocks, Calendars.

Would you like me to elaborate on the syllabus for a specific exam or provide some practice questions for any of these topics?