A solid of density D is floating in a liquid of density d. If v is the volume of solid submerged in the liquid and V is the total volume of the solid, then v/V equals to
Using Archimedes' principle
Buoyant force is equal to weight of water displaced
FB=d×v×g
Mg=D×V×g
⇒d×v×g=D×V×g
⇒vV=Dd