Q: 18 (IAS/2007)

Five balls of different colours are to be placed in three different boxes such that any box contains at least one ball. What is the maximum number of different ways in which this can be done?
question_subject: 
Maths
question_year: 
2007
question_exam: 
IAS
question_sub_subject: 
Mathematics
question_topic: 
Mathematics
stats: 
0,64,168,40,136,32,24