Four pupils have an average age of 12years and two other pupils of average age of 10.5years are added. What is the average age of the six pupils?
A
10.5yrs.
B
11yrs.
C
11.5 yrs.
D
12yrs.
E
12.5yrs.
Verified Correct Answer: C.
Step-by-Step Mathematical Solution
No expanded working has been attached for this question yet. The verified answer is Option C.
Source: Myschool Past Questions Archive (Record #42315)