Question

the average age of 15 student's is 18 years the average of 9 students is 12 years what is the average age of remaining 6 students is ​

Answer 1

Answer:

total age of 15 students= 270

total age of 9 students = 108

total age of remining 6 students = 162

avg age of 6 students = 27

Answer 2

The average age of remaining 6 students is 27 years.

Step-by-step explanation:

Average age of 15 students = 18 years

Total age of 15 students = 18 x 15 = 270 years

Average age of 9 students = 12 years

Total age of 9 students = 12 x 9 = 108 years

Total age of remaining 6 students = 270 - 108 = 162 years

Average age of remaining 6 students = $\frac{162}{6}$ = 27 years

Hence, the average age of remaining 6 students is 27 years.