1
GATE CSE 1996
MCQ (Single Correct Answer)
+2
-0.6
Which one of the following is false? Read $$ \wedge $$ as AND, $$ \vee $$ as OR, $$ \sim $$ as NOT, $$ \to $$ as one way implication and $$ \leftrightarrow $$ two way implication.
A
$$\left( {\left( {x \to y} \right) \wedge x} \right) \to y$$
B
$$\left( {\left( { \sim x \to y} \right) \wedge \left( { \sim x \to \sim y} \right)} \right) \to x$$
C
$$\left( {x \to \left( {x \vee y} \right)} \right)$$
D
$$\left( {\left( {x \vee y} \right) \leftrightarrow \left( { \sim x \to \sim y} \right)} \right)$$
2
GATE CSE 1996
MCQ (Single Correct Answer)
+1
-0.3
Two dice are thrown simultaneously. The probability that at least one of them will have 6 facing up is
A
$${1 \over {36}}$$
B
$${1 \over {3}}$$
C
$${25 \over {36}}$$
D
$${11\over {36}}$$
3
GATE CSE 1996
MCQ (Single Correct Answer)
+2
-0.6
The probability that the top and bottom cards of a randomly shuffled deck are both access is
A
$${4 \over {52}}\, \times \,{4 \over {52}}\,$$
B
$${4 \over {52}}\, \times \,{3 \over {52}}\,$$
C
$${4 \over {52}}\, \times \,{3 \over {51}}\,$$
D
$${4 \over {52}}\, \times \,{4 \over {51}}\,$$
4
GATE CSE 1996
MCQ (Single Correct Answer)
+2
-0.6
Let R be a non-emply relation on a collection of sets defined by $${A^R}\,B $$ if and only if $$A\, \cap \,B\, = \,\phi $$. Then, (pick the true statement)
A
R is reflexive and transitive
B
R is symmetric and not transitive
C
R is an equivalence relation
D
R is not reflexive and not symmetric
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