The contrapositive of $2x + 3 = 9 \Rightarrow x \ne 4$ is

$x \ne 4 \Rightarrow 2x + 3 \ne 9$

$x \ne 4 \Rightarrow 2x + 3 = 9$

JEE MATHEMATICS MCQ: MATHEMATICAL REASONING

1 Easy

1 of 1

Understanding +4 | -1

The contrapositive of

2x + 3 = 9 \Rightarrow x \ne 4

View answer and explanation

Correct option: A

x = 4 \Rightarrow 2x + 3 \ne 9

Option A is correct because the contrapositive of p -> q is ~q -> ~p.

Practice All Chapter MCQs →

p:A

q:A

\sqrt{3}

p

q

p \rightarrow q

{F_1}(A,\,B,\,C) = \left( {A \wedge \sim B} \right) \vee \left[ { \sim C \wedge \left( {A \vee B} \right)} \right] \vee \sim A

{F_2}(A,\,B) = \left( {A \vee B} \right) \vee (B \to \, \sim \,A)

p

n

q:

n

p \Leftrightarrow q