1
MHT CET 2024 15th May Morning Shift
MCQ (Single Correct Answer)
+2
-0

If $n(A)=4, n(B)=2$. Then the number of subsets of the set $\mathrm{A} \times \mathrm{B}$ each having at least 3 elements are

A
275
B
510
C
219
D
256
2
MHT CET 2021 21th September Evening Shift
MCQ (Single Correct Answer)
+2
-0

Let A = {10, 11, 12, 14, 26} and let f : A $$\to$$ N be such that f(a) = highest prime factor of a, where a $$\in$$ A, then range of f =

A
{5, 7, 13}
B
{5, 7, 11, 13}
C
{3, 5, 7, 11, 13}
D
{3, 7, 11, 13}
3
MHT CET 2020 19th October Evening Shift
MCQ (Single Correct Answer)
+2
-0

If $R=\{(a, b) / b=a-1, a \in Z, 5 < a < 9$, then the range of $R$ is

A
$\{7,8,9\}$
B
$\{5,6,7\}$
C
$\{5,6,7,8,9\}$
D
$\{6,7,8\}$
4
MHT CET 2020 16th October Morning Shift
MCQ (Single Correct Answer)
+2
-0

If $$A=\{x, y, z\}, B=\{1,2\}$$, then the total number of relations from set $$A$$ to set $$B$$ are :

A
8
B
64
C
32
D
16
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