Question #0899c

1 Answer
Aug 8, 2015

For first part
#density#=#(mass) /(volume)# i.e. #D#= #M/V#

Consider a liquid to be filled in a massless box of dimensions 111 meters .
The density of liquid will be mass of the liquid in massless box upon the volume of box.

Archimedes principle

The above link will help you find your answer easily.