GateQA — Free GATE CS Previous Year Questions & Mock Tests

GateQA is a free GATE CS preparation platform with 3,500+ previous-year questions (1987–2026), 36,000+ aptitude questions, full-length year-wise mock tests, a built-in GATE calculator, performance analytics, and full offline support.

Practice questions from Operating Systems, Algorithms, DBMS, Computer Networks, Theory of Computation, Discrete Mathematics, Compiler Design, Digital Logic, Computer Organization, Software Engineering, and Engineering Mathematics.

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GateQA — Free GATE CS Preparation Platform

GateQA is a free GATE CS preparation platform featuring 3,500+ previous-year questions (1987–2026), 36,000+ aptitude questions, subject-wise and year-wise mock tests, performance analytics, and full offline support. Practice Operating Systems, Algorithms, DBMS, Computer Networks, Theory of Computation, Discrete Mathematics, Compiler Design, Digital Logic, and more.

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Discrete Mathematics

GATE CSE 2001 | Question: 2.3

Subject: Discrete Mathematics
Paper: 2001
Let $f: A \rightarrow B$ a function, and let E and F be subsets of $A$. Consider the following statements about images. $S_1: f(E \cup F) = f(E) \cup f(F)$ $S_2: f(E \cap F)=f(E)…
Answer: A

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