1
COMEDK 2024 Morning Shift
+1
-0

\begin{aligned} &\begin{aligned} & \text { A, B, C are subsets of the Universal set U } \\ & \text { If } \mathrm{A}=\{x: x \text { is even number, } x \leq 20\} \\ & \mathrm{B}=\{x: x \text { is multiple of } 3, x \leq 15\} \\ & \mathrm{C}=\{x: x \text { is multiple of } 5, x \leq 20\} \\ & \mathrm{U}=\text { Set of whole numbers } \end{aligned}\\ &\text { then the Venn diagram representing } \mathrm{U}, \mathrm{A}, \mathrm{B} \text { and } \mathrm{C} \text { is } \end{aligned}

A
B
C
D
2
COMEDK 2024 Morning Shift
+1
-0

$$\text { If } A=\{1,2,3,4,5\} \text { and } B=\{2,3,6,7\} \text { then number of elements in the set }(A \times B) \cap(B \times A) \text { is equal to }$$

A
20
B
10
C
4
D
5
3
COMEDK 2024 Morning Shift
+1
-0

Express the set $$A=\{1,7,17,31,49\}$$ in set builder form

A
$$\left\{x \mid x=2 n^2-1\right.$$, where $$n \in \mathcal{N}$$ and $$\left.n < 5\right\}$$
B
$$\left\{x \mid x=2 n^2-3\right.$$, where $$n \in \mathcal{N}$$ and $$\left.2 \leq n \leq 8\right\}$$
C
$$\left\{x \mid x=2 n^2+1\right.$$, where $$n \in \mathcal{N}$$ and $$\left.n \leq 7\right\}$$
D
$$\left\{x \mid x=2 n^2-1\right.$$, where $$n \in \mathcal{N}$$ and $$\left.n \leq 5\right\}$$
4
COMEDK 2023 Morning Shift
+1
-0

If $$A=\{a, b, c\}, B=\{b, c, d\}$$ and $$C=\{a, d, c\}$$ then $$(A-B) \times(B \cap C)$$ is equal to

A
$$\{(a, c),(a, d)\}$$
B
$$\{(a, b),(c, d)\}$$
C
$$\{(c, a),(d, a)\}$$
D
$$\{(a, c),(a, d),(b, d)\}$$
EXAM MAP
Medical
NEET