This chapter is currently out of syllabus
1
JEE Main 2019 (Online) 9th April Evening Slot
+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
2
JEE Main 2019 (Online) 9th April Morning Slot
+4
-1
Out of Syllabus
For any two statements p and q, the negation of the expression
p $$\vee$$ (~p $$\wedge$$ q) is :
A
p$$\leftrightarrow$$q
B
~p$$\wedge$$~q
C
p$$\wedge$$q
D
~p$$\vee$$~q
3
JEE Main 2019 (Online) 8th April Evening Slot
+4
-1
Out of Syllabus
Which one of the following statements is not a tautology?
A
(p $$\wedge$$ q) $$\to$$ (~ p) $$\vee$$ q
B
(p $$\wedge$$ q) $$\to$$ p
C
( p $$\vee$$ q) $$\to$$ ( p $$\vee$$ (~q))
D
p $$\to$$ ( p $$\vee$$ q)
4
JEE Main 2019 (Online) 8th April Morning Slot
+4
-1
Out of Syllabus
The contrapositive of the statement "If you are born in India, then you are a citizen of India", is :
A
If you are not a citizen of India, then you are not born in India.
B
If you are born in India, then you are not a citizen of India.
C
If you are a citizen of India, then you are born in India.
D
If you are not born in India, then you are not a citizen of India
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