Mathematical Reasoning
122 Questions
Start JEE Mains Test
2019
Q101
JEE Mains
MCQ
14 Mar 2026
Consider the statement : "P(n) : n2 – n + 41 is prime". Then which one of the following is true ?
A.
P(5) is false but P(3) is true
B.
Both P(3) and P(5) are true
C.
P(3) is false but P(5) is true
D.
Both P(3) and P(5) are false
2019
Q102
JEE Mains
MCQ
14 Mar 2026
The logical statement
[ $ \sim $ ( $ \sim $ p $ \vee $ q) $ \vee $ (p $ \wedge $ r)] $ \wedge $ ($ \sim $ q $ \wedge $ r) is equivalent to :
[ $ \sim $ ( $ \sim $ p $ \vee $ q) $ \vee $ (p $ \wedge $ r)] $ \wedge $ ($ \sim $ q $ \wedge $ r) is equivalent to :
A.
( $ \sim $ p $ \wedge $ $ \sim $ q) $ \wedge $ r
B.
$ \sim $ p $ \vee $ r
C.
(p $ \wedge $ r) $ \wedge $ $ \sim $ q
D.
(p $ \wedge $ $ \sim $ q) $ \vee $ r
2019
Q103
JEE Mains
MCQ
14 Mar 2026
If the Boolean expression
(p $ \oplus $ q) $\wedge$ (~ p $ \odot $ q) is equivalent
to p $\wedge$ q, where $ \oplus , \odot \in \left\{ { \wedge , \vee } \right\}$, then the
ordered pair $\left( { \oplus , \odot } \right)$ is :
(p $ \oplus $ q) $\wedge$ (~ p $ \odot $ q) is equivalent
to p $\wedge$ q, where $ \oplus , \odot \in \left\{ { \wedge , \vee } \right\}$, then the
ordered pair $\left( { \oplus , \odot } \right)$ is :
A.
$\left( { \vee , \wedge } \right)$
B.
$\left( { \vee , \vee } \right)$
C.
$\left( { \wedge , \vee } \right)$
D.
$\left( { \wedge , \wedge } \right)$
2018
Q104
JEE Mains
MCQ
14 Mar 2026
If p $ \to $ ($ \sim $ p$ \vee $ $ \sim $ q) is false, then the truth values of p and q are respectively :
A.
F, F
B.
T, F
C.
F, T
D.
T, T
2018
Q105
JEE Mains
MCQ
14 Mar 2026
The Boolean expression
$ \sim \left( {p \vee q} \right) \vee \left( { \sim p \wedge q} \right)$ is equvalent to :
$ \sim \left( {p \vee q} \right) \vee \left( { \sim p \wedge q} \right)$ is equvalent to :
A.
${ \sim q}$
B.
${ \sim p}$
C.
p
D.
q
2018
Q106
JEE Mains
MCQ
14 Mar 2026
Consider the following two statements :
Statement p :
The value of sin 120o can be derived by taking $\theta = {240^o}$ in the equation
2sin${\theta \over 2} = \sqrt {1 + \sin \theta } - \sqrt {1 - \sin \theta } $
Statement q :
The angles A, B, C and D of any quadrilateral ABCD satisfy the equation
cos$\left( {{1 \over 2}\left( {A + C} \right)} \right) + \cos \left( {{1 \over 2}\left( {B + D} \right)} \right) = 0$
Then the truth values of p and q are respectively :
Statement p :
The value of sin 120o can be derived by taking $\theta = {240^o}$ in the equation
2sin${\theta \over 2} = \sqrt {1 + \sin \theta } - \sqrt {1 - \sin \theta } $
Statement q :
The angles A, B, C and D of any quadrilateral ABCD satisfy the equation
cos$\left( {{1 \over 2}\left( {A + C} \right)} \right) + \cos \left( {{1 \over 2}\left( {B + D} \right)} \right) = 0$
Then the truth values of p and q are respectively :
A.
F, T
B.
T, F
C.
T, T
D.
F, F
2018
Q107
JEE Mains
MCQ
14 Mar 2026
If (p $ \wedge $ $ \sim $ q) $ \wedge $ (p $ \wedge $ r) $ \to $ $ \sim $ p $ \vee $ q is false, then the truth values of $p, q$ and $r$ are, respectively :
A.
F, T, F
B.
T, F, T
C.
T, T, T
D.
F, F, F
2017
Q108
JEE Mains
MCQ
14 Mar 2026
Contrapositive of the statement
‘If two numbers are not equal, then their squares are not equal’, is :
‘If two numbers are not equal, then their squares are not equal’, is :
A.
If the squares of two numbers are equal, then the numbers are equal.
B.
If the squares of two numbers are equal, then the numbers are not equal.
C.
If the squares of two numbers are not equal, then the numbers are not equal.
D.
If the squares of two numbers are not equal, then the numbers are equal.
2017
Q109
JEE Mains
MCQ
14 Mar 2026
The proposition $\left( { \sim p} \right) \vee \left( {p \wedge \sim q} \right)$ is equivalent to :
A.
p $ \vee $ ~ q
B.
p $ \to $ ~ q
C.
p $ \wedge $ ~ q
D.
q $ \to $ p
2017
Q110
JEE Mains
MCQ
14 Mar 2026
The following statement
$\left( {p \to q} \right) \to \left[ {\left( { \sim p \to q} \right) \to q} \right]$ is :
$\left( {p \to q} \right) \to \left[ {\left( { \sim p \to q} \right) \to q} \right]$ is :
A.
equivalent to ${ \sim p \to q}$
B.
equivalent to ${p \to \sim q}$
C.
a fallacy
D.
a tautology
2016
Q111
JEE Mains
MCQ
14 Mar 2026
The contrapositive of the following statement,
“If the side of a square doubles, then its area increases four times”, is :
“If the side of a square doubles, then its area increases four times”, is :
A.
If the side of a square is not doubled, then its area does not increase four times.
B.
If the area of a square increases four times, then its side is doubled.
C.
If the area of a square increases four times, then its side is not doubled.
D.
If the area of a square does not increase four times, then its side is not doubled.
2016
Q112
JEE Mains
MCQ
14 Mar 2026
Consider the following two statements :
P : If 7 is an odd number, then 7 is divisible by 2.
Q : If 7 is a prime number, then 7 is an odd number
If V1 is the truth value of the contrapositive of P and V2 is the truth value of contrapositive of Q, then the ordered pair (V1 , V2) equals :
P : If 7 is an odd number, then 7 is divisible by 2.
Q : If 7 is a prime number, then 7 is an odd number
If V1 is the truth value of the contrapositive of P and V2 is the truth value of contrapositive of Q, then the ordered pair (V1 , V2) equals :
A.
(T, T)
B.
(T, F)
C.
(F, T)
D.
(F, F)
2016
Q113
JEE Mains
MCQ
14 Mar 2026
The Boolean expression
$\left( {p \wedge \sim q} \right) \vee q \vee \left( { \sim p \wedge q} \right)$ is equivalent to :
$\left( {p \wedge \sim q} \right) \vee q \vee \left( { \sim p \wedge q} \right)$ is equivalent to :
A.
${ \sim p \wedge q}$
B.
${p \wedge q}$
C.
$p \vee q$
D.
$p \vee \sim q$
2015
Q114
JEE Mains
MCQ
14 Mar 2026
The negation of $ \sim s \vee \left( { \sim r \wedge s} \right)$ is equivalent to :
A.
$s \vee \left( {r \vee \sim s} \right)$
B.
$s \wedge r$
C.
$s \wedge \sim r$
D.
$s \wedge \left( {r \wedge \sim s} \right)$
2014
Q115
JEE Mains
MCQ
14 Mar 2026
The statement $ \sim \left( {p \leftrightarrow \sim q} \right)$ is :
A.
equivalent to ${ \sim p \leftrightarrow q}$
B.
a tautology
C.
a fallacy
D.
equivalent to ${p \leftrightarrow q}$
2013
Q116
JEE Mains
MCQ
14 Mar 2026
Consider :
Statement − I : $\left( {p \wedge \sim q} \right) \wedge \left( { \sim p \wedge q} \right)$ is a fallacy.
Statement − II :$\left( {p \to q} \right) \leftrightarrow \left( { \sim q \to \sim p} \right)$ is a tautology.
Statement − I : $\left( {p \wedge \sim q} \right) \wedge \left( { \sim p \wedge q} \right)$ is a fallacy.
Statement − II :$\left( {p \to q} \right) \leftrightarrow \left( { \sim q \to \sim p} \right)$ is a tautology.
A.
Statement - I is True; Statement -II is true; Statement-II is not a correct explanation for Statement-I
B.
Statement -I is True; Statement -II is False.
C.
Statement -I is False; Statement -II is True
D.
Statement -I is True; Statement -II is True; Statement-II is a correct explanation for Statement-I
2012
Q117
JEE Mains
MCQ
14 Mar 2026
The negation of the statement “If I become a teacher, then I will open a school” is :
A.
I will become a teacher and I will not open a school
B.
Either I will not become a teacher or I will not open a school
C.
Neither I will become a teacher nor I will open a school
D.
I will not become a teacher or I will open a school
2011
Q118
JEE Mains
MCQ
14 Mar 2026
Consider the following statements
P : Suman is brilliant
Q : Suman is rich
R : Suman is honest
The negation of the statement,
“Suman is brilliant and dishonest if and only if Suman is rich” can be expressed as :
P : Suman is brilliant
Q : Suman is rich
R : Suman is honest
The negation of the statement,
“Suman is brilliant and dishonest if and only if Suman is rich” can be expressed as :
A.
$ \sim \left[ {Q \leftrightarrow \left( {P \wedge \sim R} \right)} \right]$
B.
$ \sim Q \leftrightarrow P \wedge R$
C.
$ \sim \left( {P \wedge \sim R} \right) \leftrightarrow Q$
D.
$ \sim P \wedge \left( {Q \leftrightarrow \sim R} \right)$
2010
Q119
JEE Mains
MCQ
14 Mar 2026
Let S be a non-empty subset of R. Consider the following statement:
P : There is a rational number x ∈ S such that x > 0.
Which of the following statements is the negation of the statement P?
P : There is a rational number x ∈ S such that x > 0.
Which of the following statements is the negation of the statement P?
A.
There is no rational number x ∈ S such that x ≤ 0
B.
Every rational number x ∈ S satisfies x ≤ 0
C.
x ∈ S and x ≤ 0 $ \Rightarrow $ x is not rational
D.
There is a rational number x ∈ S such that x ≤ 0
2009
Q120
JEE Mains
MCQ
14 Mar 2026
Statement-1 : $ \sim \left( {p \leftrightarrow \sim q} \right)$ is equivalent to ${p \leftrightarrow q}$.
Statement-2 : $ \sim \left( {p \leftrightarrow \sim q} \right)$ is a tautology.
Statement-2 : $ \sim \left( {p \leftrightarrow \sim q} \right)$ is a tautology.
A.
Statement-1 is true, Statement-2 is true; Statement-2 is a correct explanation for Statement-1
B.
Statement-1 is true, Statement-2 is true; Statement-2 is not a correct explanation for Statement-1
C.
Statement-1 is true, Statement-2 is false
D.
Statement-1 is false, Statement-2 is true
2008
Q121
JEE Mains
MCQ
14 Mar 2026
Let p be the statement “x is an irrational number”, q be the statement “y is a transcendental number”,
and r be the statement “x is a rational number iff y is a transcendental number”.
Statement –1: r is equivalent to either q or p.
Statement –2: r is equivalent to $ \sim \left( {p \leftrightarrow \sim q} \right)$
Statement –1: r is equivalent to either q or p.
Statement –2: r is equivalent to $ \sim \left( {p \leftrightarrow \sim q} \right)$
A.
Statement − 1 is false, Statement − 2 is false
B.
Statement −1 is false, Statement −2 is true
C.
Statement −1 is true, Statement −2 is true, Statement −2 is a correct explanation for Statement −1
D.
Statement −1 is true, Statement −2 is true; Statement −2 is not a correct explanation for
Statement −1
2008
Q122
JEE Mains
MCQ
14 Mar 2026
The statement $p \to \left( {q \to p} \right)$ is equivalent to
A.
$p \to \left( {p \leftrightarrow q} \right)$
B.
$p \to \left( {p \to q} \right)$
C.
$p \to \left( {p \vee q} \right)$
D.
$p \to \left( {p \wedge q} \right)$

