1
MHT CET 2025 23rd April Morning Shift
MCQ (Single Correct Answer)
+2
-0
The rate at which a substance cools in moving air, is proportional to the difference between the temperature of the substance and that of air. The temperature of air is 290 K and the substance cools from 370 K to 330 K in 10 minutes. Then the time to cool the substance upto 295 K is
2
MHT CET 2025 23rd April Morning Shift
MCQ (Single Correct Answer)
+2
-0
If $x \frac{\mathrm{~d} y}{\mathrm{~d} x}=y(\log y-\log x+1)$, then the solution of the equation is
3
MHT CET 2025 23rd April Morning Shift
MCQ (Single Correct Answer)
+2
-0
The order and degree of the differential equation $\sqrt{\frac{\mathrm{d} y}{\mathrm{~d} x}}-4 \frac{\mathrm{~d} y}{\mathrm{~d} x}-7 x=0$ is respectively
4
MHT CET 2025 23rd April Morning Shift
MCQ (Single Correct Answer)
+2
-0
The differential equation of all circles touching the Y -axis at the origin and centre on the X -axis is
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