Q: 110 (IAS/2004)

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Nine different letters are to be dropped in three different letter boxes. In how many different ways can this be done?
question_subject: 
Maths
question_year: 
2004
question_exam: 
IAS
question_sub_subject: 
Mathematics
question_topic: 
Mathematics
stats: 
0,144,280,72,144,184,24