Question

The average age of 30 students in a class is 17 years. 4 students with an average age of 14.5 years left the class and 5 new students joined the class who's ages were 23, 25, 17.5, 19.5, 21 years respectively . calculate the average of the class

Answer 1

Answer:

The new required average is 18 years

Answer 2

Answer

Here is the step by step solution