1.

     Four objects P, Q, R and S of the same shape but different weights, are put into a tank of water. The given diagram shows what happens when they are in water. Which of the following is the most likely weight of object R?

A.  60 g                           
B.         35 g                           
C.         25 g               
D.                     19 g
Answer» D.                     19 g


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