2020 Quantitative Aptitude - Ratio and Proportion
Let x, y be the volumes; m, n be the masses of two metallic cubes P and Q respectively. Each side of Q is two times that of P and mass of Q is two times that of P. Let u = m/x and v = n/y. Which one of the following is correct?
- u = 4v
- u = 2v
- v = u
- v = 4u
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