Which of the following is the inverse of the proposition : “If a number is a prime then it is odd.”
If a number is not a prime then it is odd
If a number is not a prime then it is not odd
If a number is not odd then it is not a prime
If a number is not odd then it is a prime
Which Venn diagram represent the truth of the statement“No policeman is a thief”
Contrapositive of the statement 'If two numbers are not equal, then their squares are not equal', is
Negation of $p \wedge( q \wedge \sim( p \wedge q ))$ is
Consider the following three statements :
$P : 5$ is a prime number.
$Q : 7$ is a factor of $192$.
$R : L.C.M.$ of $5$ and $7$ is $35$.
Then the truth value of which one of the following statements is true?
Let $\Delta, \nabla \in\{\wedge, \vee\}$ be such that $( p \rightarrow q ) \Delta( p \nabla q )$ is a tautology. Then