engineering recuitment Cochin Shipyard Executive Trainee Mechanical Mock Test Quantitative Aptitude Mensuration Solid Figures
A water tank, open at the top, is hemi- spherical at the bottom and cylindrical above it. The radius is 12 m and the capacity is 3312π m3. The ratio of the curved surface areas of the spherical and cylindrical portions is
1
3 : 5
2
4 : 5
3
1 : 1
4
6 : 5