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Two pieces of metals are suspended from the arms of a balance and are found to be in equilibrium when kept immersed in water. The mass of one piece is 32 g and its density `8 "g cm"^(–3)`. The density of the other is `5 "g per cm"^(3)`. Then the mass of the other is

A

28g

B

35g

C

21g

D

33.6g

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