Q: 16 (IAS/2007)

(Each small circle represents a different station) What is the maximum number of different paths that exist between the station A and the station B?
question_subject: 
Maths
question_year: 
2007
question_exam: 
IAS
question_sub_subject: 
Mathematics
question_topic: 
Mathematics
stats: 
0,48,152,32,64,56,48