The contrapositive of "If $x$ and $y$ are integers such that $x y$ is odd,then both $x$ and $y$ are odd" is

  • A
    If both $x$ and $y$ are odd integers,then $x y$ is odd.
  • B
    If both $x$ and $y$ are even integers,then $x y$ is even.
  • C
    If $x$ or $y$ is an odd integer,then $x y$ is odd.
  • D
    If $x$ and $y$ are not both odd,then $x y$ is not odd.

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Similar Questions

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 or $y$ is a transcendental number'.
Statement-$1$: $r$ is equivalent to $q \lor p$.
Statement-$2$: $r$ is equivalent to $(p \Leftrightarrow \sim q)$.

Which of the following statements is/are False?
$S_1: \exists n \in N$, such that $n^2 + n + 2$ is divisible by $4$.
$S_2: \exists x \in N$, such that $x - 17 < 20$.
$S_3: \forall n \in N, x^2 + 3x - 10 = 0$.
$S_4: \forall n \in N, n^2 \geq 1$.

Which of the following sentences are statements? Give reasons for your answer.
The sum of $5$ and $7$ is greater than $10.$

The negation of the statement $q \wedge (\sim p \vee \sim r)$ is:

The negation of the statement "If $I$ become a teacher,then $I$ will open a school" is

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