Q: 2 (IAS/2008)

What is the number of terms in the series 117, 120, 123, 126, …, 333?
question_subject: 
Logic/Reasoning
question_year: 
2008
question_exam: 
IAS
question_sub_subject: 
Reasoning
question_topic: 
Analytical
stats: 
0,192,152,96,192,32,24