A U-tube with both ends open to the atmosphere is partially filled with water. Oil, which is immiscible with water. Is poured into one side until it stands at a distance of `10 mm` above the water level on the other side. Meanwhile the water rises by `65mm` from its original level (see diagram). The density of the oil is:

Options

A. `650kg m^(-3)`
B. `435 kg m^(-3)`
C. `800 kgm^(-3)`
D. `928 kgm^(-3)`