1
VITEEE 2023
MCQ (Single Correct Answer)
+1
-0

If $$R$$ is a relation from a finite set A having $$m$$ elements to finite set $$B$$ having $$n$$ elements, then the number of relation from $$A$$ to $$B$$ is

A
$$2^{m n}$$
B
$$2^{m n}-1$$
C
$$2 m n$$
D
$$m^n$$
2
VITEEE 2023
MCQ (Single Correct Answer)
+1
-0

If $$\sin A, \sin B$$ and $$\cos A$$ are in GP, then the roots of $$x^2+2 x \cot B+1=0$$ are always

A
real
B
imaginary
C
greater than 1
D
equal
3
VITEEE 2023
MCQ (Single Correct Answer)
+1
-0

The determinant of the matrix $$\left[\begin{array}{ccc}1 & 4 & 8 \\ 1 & 9 & 27 \\ 1 & 16 & 64\end{array}\right]$$ is

A
13
B
208
C
52
D
104
4
VITEEE 2023
MCQ (Single Correct Answer)
+1
-0

Let $$A$$ and $$B$$ be two independent events such that the odds in favour of $$A$$ and $$B$$ are $$1: 1$$ and $$3: 2$$, respectively. Then, the probability that only one of the two occurs is

A
0.6
B
0.8
C
0.5
D
0.4
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