Q: 149 (IAS/1999)

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The area of an ellipse is twice that of a circle. The major diameter of the ellipse is twice that of the minor diameter. The radius of the circle is
question_subject: 
Maths
question_year: 
1999
question_exam: 
IAS
question_sub_subject: 
Mathematics
question_topic: 
Mathematics
stats: 
0,104,120,104,40,72,8