Q: 4 (IAS/2008)

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Carpenter A can make a chair in 6 hours, carpenter B in 7 hours and carpenter C is 8 hours. If each carpenter works for 8 hours per day, how many chairs will be made in 21 days?
question_subject: 
Maths
question_year: 
2008
question_exam: 
IAS
question_sub_subject: 
Mathematics
question_topic: 
Mathematics
stats: 
0,152,104,32,48,152,24