Answer: 4 min because, number of musicians may be less or more but to play a march it requires same time,4 min only.
A school orchestra with 10 musicians can play the first section of a symphony in 10 minutes.
How long would it take to play if they added 10 more musicians to the orchestra?
If it takes 4 minutes to cut a log into 4 pieces, how many minutes will it take to cut a log into 3 pieces?
Assume all cuts are parallel, and cuts are done sequentially (not simultaneously).
It takes 5 machines 5 minutes to make 5 widgets. How long does it take 100 machines to make 100 widgets?
