প্রশ্ন সংশোধন করুন
প্রশ্ন:
Mr. Rafin can complete a job in 15days , while Mr. Shafin takes twice as long as to do the same job. If they work together,how many days will they require to complete the job?
Mr. Rafin can complete a job in 15days , while Mr. Shafin takes twice as long as to do the same job. If they work together,how many days will they require to complete the job?