Question 121
The human body is made up mostly of water. In fact about 67% of a person total body weight is water. If Jyoti weights 56 kg, how much of her weight is water?
A body of mass 70 kg, when completely immersed in water, displaces 20,000 cm3 of water. Find : (i) the weight of body in water and (ii) the relative density of material of body.