Teaching BPSC बिहार प्राथमिक (1 to 5) शिक्षक भर्ती 4.0 Mock Test Quantitative Aptitude Mensuration Plane Figures
A rectangle having length as 21 cm and breadth as 10 cm is rotated about its longer edge as axis. Find the volume of the solid generated.
1
7207 π cm3
2
2100 π cm3
3
2140 π cm3
4
More than one of the above
5
None of the above