1
MHT CET 2021 20th September Morning Shift
MCQ (Single Correct Answer)
+2
-0

An ice ball melts at the rate which is proportional to the amount of ice at that instant. Half the quantity of ice melts in 20 minutes, $$x_0$$ is the initial quantity of ice. If after 40 minutes the amount of ice left is $$\mathrm{Kx}_0$$, then $$\mathrm{K}=$$

A
$$\frac{1}{2}$$
B
$$\frac{1}{8}$$
C
$$\frac{1}{4}$$
D
$$\frac{1}{3}$$
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