Situation $9.$ A soil sample has a dry unit weight of $15k\frac{N}{m^3}$ and a void ratio

of $0\mathrm{.}50.$

What is hydraulic gradient at quick condition?

A$.1\mathrm{.}43$

C$.1\mathrm{.}28$

B$.1\mathrm{.}35$

D$.0\mathrm{.}86$