A Column of Oil of Height 70

Multiple Choice

A column of oil of height 70.0 cm supports a column of an unknown liquid as suggested in the figure (not drawn to scale) .Assume that both liquids are at rest and that the density of the oil is 840 kg/m³.Determine the density of the unknown liquid.

A) 3.2 × 10² kg/m³
B) 2.2 × 10³ kg/m³
C) 2.6 × 10³ kg/m³
D) 3.6 × 10³ kg/m³
E) 4.9 × 10³ kg/m³