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

- The edge of a cube is decreasing at the rate of $0.04 \mathrm{~cm} / \mathrm{sec}$. If the edge of the cube is 10 cms , then rate of decrease of surface area of the cube is...

A
$4.8 \mathrm{~cm}^2 / \mathrm{sec}$
B
$4.08 \mathrm{~cm}^2 / \mathrm{sec}$
C
$48 \mathrm{~cm}^2 / \mathrm{sec}$
D
$4.008 \mathrm{~cm}^2 / \mathrm{sec}$
2
MHT CET 2019 3rd May Morning Shift
MCQ (Single Correct Answer)
+2
-0

If $r$ is the radius of spherical balloon at time $t$ and the surface area of balloon changes at a constant rate $K$, then......

A
$4 \pi r^2=\frac{K t^2}{2}+c$
B
$8 \pi r^2=K t+c$
C
$\pi r^2=\frac{K t^2}{2}+c$
D
$4 \pi r^2=\dot{K} t+c$
3
MHT CET 2019 3rd May Morning Shift
MCQ (Single Correct Answer)
+2
-0

The slope of normal to the curve $x=\sqrt{t}$ and $y=t-\frac{1}{\sqrt{t}}$ at $t=4$ is ..........

A
$\frac{-17}{4}$
B
$\frac{4}{17}$
C
$\frac{-4}{17}$
D
$\frac{17}{4}$
4
MHT CET 2019 3rd May Morning Shift
MCQ (Single Correct Answer)
+2
-0

If $f(x)=x+\frac{1}{x}, x \neq 0$, then local maximum and minimum values of function $f$ are respectively.......

A
$-1$ and 1
B
$-2$ and 2
C
2 and $-2$
D
1 and $-1$
MHT CET Subjects
EXAM MAP
Medical
NEETAIIMS
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
Staff Selection Commission
SSC CGL Tier I
CBSE
Class 12