Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test Quantitative Aptitude Mensuration Solid Figures
The area of the curved surface of a right circular cylinder of radius 'a' and height 'b' is-
1
2πab
2
πab
3
πa2b
4
More than one of the above
5
None of the above