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1
JEE Main 2020 (Online) 2nd September Morning Slot
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
The contrapositive of the statement
"If I reach the station in time, then I will catch the train" is :
A
If I will catch the train, then I reach the station in time.
B
If I do not reach the station in time, then I will not catch the train.
C
If I will not catch the train, then I do not reach the station in time.
D
If I do not reach the station in time, then I will catch the train.
2
JEE Main 2020 (Online) 9th January Evening Slot
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
If p $$ \to $$ (p $$ \wedge $$ ~q) is false, then the truth values of p and q are respectively :
A
T, T
B
T, F
C
F, T
D
F, F
3
JEE Main 2020 (Online) 9th January Morning Slot
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
Negation of the statement :

$$\sqrt 5 $$ is an integer or 5 is an irrational is :
A
$$\sqrt 5 $$ is not an integer and 5 is not irrational.
B
$$\sqrt 5 $$ is irrational or 5 is an integer.
C
$$\sqrt 5 $$ is an integer and 5 is irrational.
D
$$\sqrt 5 $$ is not an integer or 5 is not irrational.
4
JEE Main 2020 (Online) 8th January Evening Slot
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
Which of the following statements is a tautology?
A
~(p $$ \wedge $$ ~q) $$ \to $$ p $$ \vee $$ q
B
~(p $$ \vee $$ ~q) $$ \to $$ p $$ \vee $$ q
C
~(p $$ \vee $$ ~q) $$ \to $$ p $$ \wedge $$ q
D
p $$ \vee $$ (~q) $$ \to $$ p $$ \wedge $$ q
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