Question

Q18 The average age of 30 students in a class is 12
years. The average age of a group of 5 of the student
is 10 years and that of another group of 5 of them is 1
years. Which is the average age of the remaining
students?
(a) 8 years
(b) 10 years
(c) 12 years
(d) 14 years​

Answer 1

Answer:

12 years

Step-by-step explanation:

please mark answer as brianliest answer

Answer 2

Answer:

12 years is the right answer