1
GATE CSE 1996
MCQ (Single Correct Answer)
+1
-0.3
Let $$A$$ and $$B$$ be sets and let $${A^c}$$ and $${B^c}$$ denote the complements of the sets $$A$$ and $$B$$. The set $$\left( {A - B} \right) \cup \left( {B - A} \right) \cup \left( {A \cap B} \right)$$ is equal to
A
$${A \cup B}$$
B
$${{A^c} \cup {B^c}}$$
C
$${A \cap B}$$
D
$${{A^c} \cap {B^c}}$$
2
GATE CSE 1996
MCQ (Single Correct Answer)
+1
-0.3
Which of the following statements is false?
A
The set of rational numbers is an abelian group under addition.
B
The set of integers is an abelian group under addition.
C
The set of rational numbers from an abelian group under multiplication.
D
The set of real numbers excluding zero is an abelian group under multiplication.
3
GATE CSE 1995
MCQ (Single Correct Answer)
+1
-0.3
The number of elements in the power set $$P(S)$$ of the set $$S = \left\{ {\left\{ \phi \right\},1,\left\{ {2,3} \right\}} \right\}$$ is
A
$$2$$
B
$$4$$
C
$$8$$
D
None of the above
4
GATE CSE 1995
MCQ (Single Correct Answer)
+1
-0.3
Let $$R$$ be a symmetric and transitive relation on a set $$A$$. Then
A
$$R$$ is reflexive and hence an equivalence relation.
B
$$R$$ is reflexive and hence partial order.
C
$$R$$ is not reflexive and hence not an equivalence relation.
D
None of the above.
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