Contrapositive of the statement “If two numbers are not equal, then their squares are not equals” is
Contrapositive of the statement “If two numbers are not equal, then their squares are not equals” is
- [JEE MAIN 2019]
- A
If the squares of two numbers are not 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 equal, then the numbers are equal
- D
If the squares of two numbers are not equal, then the numbers are not equal
Similar Questions
If $P$ and $Q$ are two statements, then which of the following compound statement is a tautology?
If $P$ and $Q$ are two statements, then which of the following compound statement is a tautology?
- [JEE MAIN 2021]
The logical statement $[ \sim \,( \sim \,P\, \vee \,q)\, \vee \,\left( {p\, \wedge \,r} \right)\, \wedge \,( \sim \,q\, \wedge \,r)]$ is equivalent to
The logical statement $[ \sim \,( \sim \,P\, \vee \,q)\, \vee \,\left( {p\, \wedge \,r} \right)\, \wedge \,( \sim \,q\, \wedge \,r)]$ is equivalent to
- [JEE MAIN 2019]
Which of the following statement is a tautology?
Which of the following statement is a tautology?
- [JEE MAIN 2022]
$\sim (p \Rightarrow q) \Leftrightarrow \sim p\; \vee \sim q$ is
$\sim (p \Rightarrow q) \Leftrightarrow \sim p\; \vee \sim q$ is
The negative of $q\; \vee \sim (p \wedge r)$ is
The negative of $q\; \vee \sim (p \wedge r)$ is