Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test Quantitative Aptitude Mensuration Solid Figures
If the surface area of a sphere is 20 cm2, then what will be the total surface area of a hemisphere of same radius?
1
20 cm2
2
15 cm2
3
40 cm2
4
More than one of the above
5
None of the above