The roots of the equation $x^3-3x-2=0$ are

The oxidation state of $Xe$ in $XeO_3$ and the bond angle in it respectively are:

The metal used for the de-bromination reaction of $1, 2-dibromoethane$ is:

In a triangle,if $r_1 = 2r_2 = 3r_3$,then $\frac{a}{b} + \frac{b}{c} + \frac{c}{a}$ is equal to

An eight-digit number divisible by $9$ is to be formed using digits from $0$ to $9$ without repeating the digits. The number of ways in which this can be done is: (in $(7!)$)

Which of the following is a part of the midbrain of a rabbit?