For the solid $S$ shown below, the value of $\iiint_S x d x d y d z$ (rounded off to two decimal places) is $\_\_\_\_$ .

$X$ is a random variable with uniform probability density function in the interval $[-2,10]$. For $Y=2 X-6$, the conditional probability $P(Y \leq 7 \mid X \geq 5)$ (rounded off to three decimal places) is $\_\_\_\_$ .

Which one of the following options contains two solutions of the differential equation $\frac{d y}{d x}=(y-1) x$ ?

In an 8085 microprocessor, the number of address lines required to access a 16 K bytes memory bank is

$\_\_\_\_$ .