A boat A floats on water, a ship B’* lower part is immersed in water and a submarine C is completely immersed in water, because :
(a) A and B are lighter than water
(b) Submarine C is heavier than water
(c) Weight of boat A is equal to the weight of water displaced, weight of B is less than that of displaced water and weight of C is more than that of displaced water
(d) Weight of displaced water is equal to the weights of B and C where weight of displaced water by A is less than that of the weight of A
