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General Aptitude · Quantitative Aptitude
Official IIT answer key · IIT Kharagpur · Audited Aug 2026
GATE CSE 2022 Q3 · MCQ · 1 mark
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Topic notes
Quantitative Aptitude in GATE CS evaluates foundational mathematical reasoning, arithmetic, algebra, combinatorics, elementary probability, and geometry through concise word problems and functional/graphical models. The questions emphasize direct application of core algebraic identities, logarithmic laws, rates, proportions, set intersections, and calculus-based optimization rather than heavy computation. Items are evenly distributed between 1-mark conceptual or single-step problems and 2-mark multi-step arithmetic, geometric, or conditional reasoning setups.
Full Quantitative Aptitude guide →Let r be a root of the equation x2 + 2x + 6 = 0. Then the value of the expression (r + 2)(r + 3)(r + 4)(r + 5) is
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