প্রশ্ন সংশোধন করুন
প্রশ্ন:
The average attendance of a college for the first three days of a week is 325 and first four days is 320. How many were present on the fourth day?
The average attendance of a college for the first three days of a week is 325 and first four days is 320. How many were present on the fourth day?