Equal masses of water and a liquid of density 2 are mixed together, then the mix

Question

Equal masses of water and a liquid of density 2 are mixed together, then the mixture has a density of

Options:

A . 2/3

B . 4/3

C . 3/2

D . 3

Answer: Option B
:
B
If two liquids of equal masses and different densities are mixed together then density of mixture

ρ = \frac{2 ρ_{1} ρ_{2}}{ρ_{1} + ρ_{2}} = \frac{2 \times 1 \times 2}{1 + 2} = \frac{4}{3}

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