Two substances of densities r1 and r2 are mixed in equal volume and th – McqOptions

MCQOPTIONS

1.	Two substances of densities r1 and r2 are mixed in equal volume and their relative density is 4.When they are mixed in equal masses, relative density is 3. The values of r1 and r2 respectively are
A.	6, 2
B.	3, 5
C.	12, 4
D.	9, 3
Answer» B. 3, 5

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