A and B take part in a $100 \mathrm{m}$ race. A  runs at $5 \mathrm{kmph}$. A gives B a start of  $8 \mathrm{m}$ and still beats him by $8 \mathrm{seconds}$. The speed of B is _____.

In the following question, two equations numbered $\mathrm{I}$ and $\mathrm{II}$are given. You have to solve both equations and choose the correct option.

$$\begin{gathered} \mathrm{I}. {\mathrm{x}}^2+5\mathrm{x}+6=0 \\ \mathrm{II}. {\mathrm{y}}^2+11\mathrm{y}+30=0 \end{gathered}$$

In the following question,two equations numbered I and II are given. You have to solve both equations and choose the correct option.

$$\begin{gathered} \mathrm{I}. {\mathrm{x}}^2-7\mathrm{x}+12=0 \\ \mathrm{II}. {\mathrm{y}}^2-12\mathrm{y}+32=0 \end{gathered}$$

In the following question, two equations numbered $\mathrm{I}$ and $\mathrm{II}$ are given. You have to solve both equations and choose the correct option.

$$\begin{gathered} \mathrm{I}. {\mathrm{x}}^3-371=629 \\ \mathrm{II}. {\mathrm{y}}^3-543=788 \end{gathered}$$

In the following question, two equations numbered $\mathrm{I}$ and $\mathrm{II}$ are given. You have to solve both equations and choose the correct option.

$$\begin{gathered} \mathrm{I}. \mathrm{x}=\sqrt{64} \\ \mathrm{II}. \mathrm{y}={\left(-2\right)}^3 \end{gathered}$$

In the following question, two equations numbered $\mathrm{I}$ and $\mathrm{II}$ are given. You have to solve both equations and choose the correct option.

$$\begin{gathered} \mathrm{I}. {\mathrm{p}}^2-18\mathrm{p}+77=0 \\ \mathrm{II}. 3{\mathrm{q}}^2-25\mathrm{q}+28=0. \end{gathered}$$