engineering recuitment DRDO CEPTAM STA B Tier I (Sr. Technical Assistant) Mock Test 2022 Quantitative Aptitude Mensuration Solid Figures
The internal and external diameters of a hollow hemispherical bowl are 18 cm and 22 cm, respectively. The total surface area (in cm2) of the bowl is:
1
444 π
2
414 π
3
404 π
4
424 π