1
MHT CET 2024 10th May Morning Shift
MCQ (Single Correct Answer)
+2
-0

In a game, 3 coins are tossed. A person is paid ₹ 100$, if he gets all heads or all tails; and he is supposed to pay ₹ 40 , if he gets one head or two heads. The amount he can expect to win/lose on an average per game in (₹) is

A
10 loss
B
5 loss
C
5 gain
D
10 gain
2
MHT CET 2024 10th May Morning Shift
MCQ (Single Correct Answer)
+2
-0

The curve $x^4-2 x y^2+y^2+3 x-3 y=0$ cuts the X -axis at $(0,0)$ at an angle of

A
$\frac{\pi}{4}$
B
$\frac{\pi}{2}$
C
0
D
$\frac{\pi}{6}$
3
MHT CET 2024 10th May Morning Shift
MCQ (Single Correct Answer)
+2
-0

The abscissae of the two points A and B are the roots of the equation $x^2+2 a x-b^2=0$ and their ordinates are roots of the equation $y^2+2 p y-q^2=0$. Then the equation of the circle with AB as diameter is given by

A
$x^2+y^2-2 \mathrm{a} x-2 \mathrm{p} y+\left(\mathrm{b}^2+\mathrm{q}^2\right)=0$
B
$x^2+y^2-2 \mathrm{a} x-2 \mathrm{p} y-\left(\mathrm{b}^2+\mathrm{q}^2\right)=0$
C
$x^2+y^2+2 \mathrm{a} x+2 \mathrm{p} y+\left(\mathrm{b}^2+\mathrm{q}^2\right)=0$
D
$x^2+y^2+2 \mathrm{a} x+2 \mathrm{p} y-\left(\mathrm{b}^2+\mathrm{q}^2\right)=0$
4
MHT CET 2024 10th May Morning Shift
MCQ (Single Correct Answer)
+2
-0

Water is running in a hemispherical bowl of radius 180 cm at the rate of 108 cubic decimeters per minute. How fast the water level is rising when depth of the water level in the bowl is 120 cm ? ( 1 decimeter $=10 \mathrm{~cm}$)

A
$16 \pi \mathrm{~cm} / \mathrm{s}$
B
$\frac{16}{\pi} \mathrm{~cm} / \mathrm{s}$
C
$\frac{1}{16 \pi} \mathrm{~cm} / \mathrm{s}$
D
$\frac{\pi}{16} \mathrm{~cm} / \mathrm{s}$
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