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1
COMEDK 2025 Morning Shift
MCQ (Single Correct Answer)
+1
-0
Let R be a relation on natural numbers defined by $x+2 y=8, x, y \in N$. The domain of R is
A
$\{2,4,6,8\}$
B
$\{2,4,6\}$
C
$\{2,4,8\}$
D
$\{1,2,3\}$
2
COMEDK 2025 Morning Shift
MCQ (Single Correct Answer)
+1
-0
Identify the correct statement
A
$A \cup A^{\prime}=\emptyset$
B
$A-B=A^{\prime} \cap B$
C
$(A \cup B)^{\prime}=A^{\prime} \cup B^{\prime}$
D
$A \subseteq B \Rightarrow B^{\prime} \subseteq A^{\prime}$
3
COMEDK 2024 Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following relations on the set of real numbers $$\mathrm{R}$$ is an equivalence relation?

A
$$ a R_1 b \Leftrightarrow|a|=|b| $$
B
$$ a R_3 b \Leftrightarrow \text { adivides } b $$
C
$$ a R_2 b \Leftrightarrow a \geq b $$
D
$$ a R_4 b \Leftrightarrow a < b $$
4
COMEDK 2024 Evening Shift
MCQ (Single Correct Answer)
+1
-0

The shaded region in the Venn diagram represents

COMEDK 2024 Evening Shift Mathematics - Sets and Relations Question 11 English

A
$$A^{\prime} \cap B$$
B
$$A \cap B$$
C
$$(A \cap B)^{\prime}$$
D
$$A^{\prime} \cap B^{\prime}$$
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