railway RRB NTPC Mock Test Series 2024-25 (CBT 1 + CBT 2) Quantitative Aptitude Mensuration Solid Figures
A room is in the shape of cube and the length of the longest rod placed in it is 21√3 cm. Find the area of the floor.
1
961 cm2
2
144 cm2
3
441 cm2
4
169 cm2