A cylinder completely filled with water has density = 10 kg/m³ and volume 5 m³ , now a cube with side 1 m and density 25 kg/m³ is dipped into the cylinder with some water dropping out, what is the final density of cylinder?(neglect the mass of cylinder)

• A. 13 kg/m³
• B. 15 kg/m³
• C. 17 kg/m³
• D. 19 kg/m³