CSAT 2021 | DDSQ Feb 3 | Civil Services | IAS | UPSC | State PSC | SSC | IBPS | NDA | CDS | Railways

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 n. Let u=\frac{m}{x} and v=\frac{n}{y}. Which one of the following is correct?

(a) u=4v
(b) u=2v
(c) v=u
(d) v=4u