Q: 142 (IAS/1999)

The surface area of a spherical dome-shaped roof of a cylindrical water tank shown in the figure is
question_subject: 
Maths
question_year: 
1999
question_exam: 
IAS
question_sub_subject: 
Mathematics
question_topic: 
Mathematics
stats: 
0,48,112,64,48,32,16