CUET Mathematics 2026 22nd May Shift 1 PYQs

The interval in which $f(x) = \frac{x}{2} + \frac{2}{x}$ is a decreasing function of $x$ is :

A balloon, which always remains spherical on inflation, is being inflated by pumping in 900 cubic centimeters of gas per second. The rate at which the radius of the balloon increases when the radius is 15 cm, is:

The interval in which the function $g(x) = x^2 e^{-x}$ is increasing is: