Amol has three objects, X, Y and Z. He puts X into a measuring cylinder with 30 mL of water. Then he puts Y and Z one by one into the same measuring cylinder as shownWhich of the objects has/have a volume less than 30 mL?

Amol has three objects, X, Y and Z. He puts X into a measuring cylinde

1.	Amol has three objects, X, Y and Z. He puts X into a measuring cylinder with 30 mL of water. Then he puts Y and Z one by one into the same measuring cylinder as shownWhich of the objects has/have a volume less than 30 mL?
A.	X only
B.	Y only
C.	X and Y only
D.	X, Y and Z
Answer» D. X, Y and Z