1
MHT CET 2023 10th May Morning Shift
MCQ (Single Correct Answer)
+2
-0

The value of $$\tan \frac{\pi}{8}$$ is

A
$$1-\sqrt{2}$$
B
$$-1-\sqrt{2}$$
C
$$\sqrt{2}-1$$
D
$$\sqrt{2}+1$$
2
MHT CET 2023 10th May Morning Shift
MCQ (Single Correct Answer)
+2
-0

If $$B=\left[\begin{array}{lll}1 & \alpha & 2 \\ 1 & 2 & 2 \\ 2 & 3 & 3\end{array}\right]$$ is the adjoint of a $$3 \times 3$$ matrix A and $$|A|=5$$, then $$\alpha$$ is equal to

A
25
B
27
C
3$$\sqrt3$$
D
5
3
MHT CET 2023 10th May Morning Shift
MCQ (Single Correct Answer)
+2
-0

The logical statement $$[\sim(\sim p \vee q) \vee(p \wedge r)] \wedge(\sim q \wedge r)$$ is equivalent to

A
$$(p \wedge r) \wedge \sim q$$
B
$$(p \wedge \sim q) \vee r$$
C
$$\quad \sim \mathrm{p} \vee \mathrm{r}$$
D
$$\sim p \wedge r$$
4
MHT CET 2023 10th May Morning Shift
MCQ (Single Correct Answer)
+2
-0

If $$w=\frac{z}{z-\frac{1}{3} i}$$ and $$|w|=1, i=\sqrt{-1}$$, then $$z$$ lies on

A
circle.
B
line.
C
parabola.
D
ellipse.
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