railway RRB NTPC Mock Test Series 2024-25 (CBT 1 + CBT 2) Quantitative Aptitude Mensuration Solid Figures
The surface areas of the two spheres are in the ratio of 64 ∶ 81. Find the ratio of their volumes, in the order given
1
512 ∶ 729
2
64 ∶ 729
3
8 ∶ 81
4
4 ∶ 9