Question

Average of 25 boys of class is 13 years. If 5 such students are added to this class, whose average age is 14.5 years, find the average age of total number of boys.

Answer 1

Answer:

13.75 years

Step-by-step explanation:

Average of 25 boys= 13 yrs ---->   1

Average of 5 boys= 14.5 yrs ---->   2

Total Average= 1+2/2

                       = 13+ 14.5/2

                       = 27.5/2

                       = 13.75 years