Q: 41 (IAS/2007)

Groups each obtaining 3 boys are to be formed out of 5 boys—A, B, C, D and E such that no one group contains both C and D together. What is the maximum number of such different groups?
question_subject: 
Logic/Reasoning
question_year: 
2007
question_exam: 
IAS
question_sub_subject: 
Reasoning
question_topic: 
Analytical
stats: 
0,56,112,24,64,56,24