A vessel contains oil (density = 0.8g//cm^(2) over mercury (density = 13.6g//cm^(2). A uniform sphere floats with half its volume immersed in mercury and the other half in oil. The density of the material of sphere in g//cm^(2) is

A vessel contains oil (density = 0.8g//cm^(2) over mercury (density =

1.	A vessel contains oil (density = 0.8g//cm^(2) over mercury (density = 13.6g//cm^(2). A uniform sphere floats with half its volume immersed in mercury and the other half in oil. The density of the material of sphere in g//cm^(2) is
Answer» `3.3` `6.4` `7.2` `12.8` ANSWER :C