This chapter is currently out of syllabus
1
JEE Main 2019 (Online) 12th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
If the truth value of the statement p $$ \to $$ (~q $$ \vee $$ r) is false (F), then the truth values of the statements p, q, r are respectively :
A
T, F, T
B
F, T, T
C
T, T, F
D
T, F, F
2
JEE Main 2019 (Online) 10th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
The negation of the Boolean expression ~ s $$ \vee $$ (~r $$ \wedge $$ s) is equivalent to :
A
~ s $$ \wedge $$ ~ r
B
r
C
s $$ \vee $$ r
D
s $$ \wedge $$ r
3
JEE Main 2019 (Online) 10th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Which one of the following Boolean expressions is a tautology?
A
(p $$ \vee $$ q) $$ \wedge $$ (~ p $$ \vee $$ ~ q)
B
(p $$ \vee $$ q) $$ \vee $$ ( p $$ \vee $$ ~ q)
C
(p $$ \wedge $$ q) $$ \vee $$ ( p $$ \wedge $$ ~ q)
D
(p $$ \vee $$ q) $$ \wedge $$ ( p $$ \vee $$ ~ q)
4
JEE Main 2019 (Online) 9th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
If p $$ \Rightarrow $$ (q $$ \vee $$ r) is false, then the truth values of p, q, r are respectively :-
A
F, F, F
B
T, F, F
C
F, T, T
D
T, T, F
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