প্রশ্ন সংশোধন করুন
প্রশ্ন:
Worker A takes 8 hours to do a job . Worker B takes 10 hours to do the same job. How long should it take both A and B, working together but independently , to do the same job?
Worker A takes 8 hours to do a job . Worker B takes 10 hours to do the same job. How long should it take both A and B, working together but independently , to do the same job?