1
MHT CET 2021 23th September Morning Shift
MCQ (Single Correct Answer)
+2
-0

If $$y=\log \sqrt{\tan x}$$, then the value of $$\frac{d y}{d x}$$ at $$x=\frac{\pi}{4}$$ is

A
1
B
$$-1$$
C
$$\frac{1}{2}$$
D
0
2
MHT CET 2021 23th September Morning Shift
MCQ (Single Correct Answer)
+2
-0

If $$\mathrm{x}=\mathrm{a}\left(\mathrm{t}-\frac{1}{\mathrm{t}}\right)$$ and $$\mathrm{y}=\mathrm{b}\left(\mathrm{t}+\frac{1}{\mathrm{t}}\right)$$, then $$\frac{\mathrm{dy}}{\mathrm{dx}}=$$

A
$$\frac{a^2 x}{b^2 y}$$
B
$$\frac{a^2 y}{b^2 x}$$
C
$$\frac{-b^2 x}{a^2 y}$$
D
$$\frac{b^2 x}{a^2 y}$$
3
MHT CET 2021 23th September Morning Shift
MCQ (Single Correct Answer)
+2
-0

Out of 7 consonants and 4 vowels, the number of words consisting of 3 consonants and 2 vowels are

A
3300
B
210
C
120
D
25200
4
MHT CET 2021 23th September Morning Shift
MCQ (Single Correct Answer)
+2
-0

Equation of planes parallel to the plane $$x-2y+2z+4=0$$ which are at a distance of one unit from the point (1, 2, 3) are

A
$$x+2 y+2 z=6, x+2 y+2 z=0$$
B
$$x-2 y+2 z=0, x-2 y+2 z-6=0$$
C
$$x-2 y-6=0, x-2 y+z=6$$
D
$$x+2 y+2 z=-6, x+2 y+2 z=5$$
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