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

Question

• (5m+75)/n
• (5m/n)+75
• (5n/m)+75
• (70m+75n)/(m+n)

Answer 1

(5n/m)+75