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1
COMEDK 2025 Afternoon Shift
MCQ (Single Correct Answer)
+1
-0
If $A=\{1,2,4\} \quad B=\{2,4,5\} \quad C=\{2,5\}$ then $(A-B) \cap(B-C)=$
A
$\{2,4,5\}$
B
$\{1,2,4,5\}$
C
$\emptyset$
D
$\{4,5\}$
2
COMEDK 2025 Afternoon Shift
MCQ (Single Correct Answer)
+1
-0

The inequality representing the following graph is

COMEDK 2025 Afternoon Shift Mathematics - Sets and Relations Question 1 English

A
$x \in\left(\frac{11}{2}, \infty\right)$
B
$x \in\left[\frac{11}{2}, \infty\right)$
C
$x \in\left(-\infty, \frac{11}{2}\right)$
D
$x \in\left(-\infty, \frac{11}{2}\right]$
3
COMEDK 2025 Morning Shift
MCQ (Single Correct Answer)
+1
-0
If $n(A)=3$ and $n(B)=7$ and $A \subseteq B$ then the number of elements in $A \cap B$ is equal to
A
7
B
10
C
0
D
3
4
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
$\{1,2,3\}$
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