Question

8) The average of 25 students of a class is 13 years, out of them the average age of 15 students is 18 years. Find the average age of remaining students? ​

Answer 1

how much are the total students to get the average of remaining students?

Answer 2

Answer:

10.5

Explanation:

Total age of 25 students= 25x13=325

Total age of 15 students= 15x18=220

Remaining students=10, Total age of 10 students=325-220=105

Average age of 10 students= 105/10=10.5