1
MHT CET 2019 3rd May Morning Shift
MCQ (Single Correct Answer)
+2
-0

$\sin \left[3 \sin ^{-1}(0.4)\right]=\ldots \ldots$

A
0.466
B
0.256
C
0.944
D
0.764
2
MHT CET 2019 3rd May Morning Shift
MCQ (Single Correct Answer)
+2
-0

If line $\frac{2 x-4}{\lambda}=\frac{y-1}{2}=\frac{z-3}{1}$ and $\frac{x-1}{1}=\frac{3 y-1}{\lambda}=\frac{z-2}{1}$ are perpendicular to each other then $\lambda=$ ............

A
7
B
$-\frac{7}{6}$
C
6
D
$-\frac{6}{7}$
3
MHT CET 2019 3rd May Morning Shift
MCQ (Single Correct Answer)
+2
-0

For a sequence $\left(t_n\right)$, if $S_n=5\left(2^n-1\right)$ then $t_n=$ .........

A
$5\left(2^{n+1}\right)$
B
$\frac{5 \times 2^n}{4}$
C
$5\left(2^{n-1}\right)$
D
$\frac{2 \times\left(2^{n-1}\right)}{5}$
4
MHT CET 2019 3rd May Morning Shift
MCQ (Single Correct Answer)
+2
-0

$$\begin{aligned} & \text { If } f(x)=\left[\tan \left(\frac{\pi}{4}+x\right)\right]^{\frac{1}{x}}, \quad x \neq 0 \\ & =k \text {, } \qquad x=0 \text { is continuous }\\ & x=0 \end{aligned}$$ Then $k=$

A
$e^2$
B
1
C
$e$
D
$e^{-2}$
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