UPSC Civil Services 2020 Prelims General Studies Paper II

Question : 38 of 80

Marks: +1, -0

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?