প্রশ্ন সংশোধন করুন
প্রশ্ন:
Rahim average 70 in his first m number of exams. After taking n more exams, he had an overall average of 75. In items of m and n his average for last n exams was
Rahim average 70 in his first m number of exams. After taking n more exams, he had an overall average of 75. In items of m and n his average for last n exams was