Question

If there are 12 students in class I with average age 20 years and 16 students in class II with average age 23 years. What will be the approximate average age of all the students of these two classes?

• A. 1.53 years
• B. 43 years
• C. 20.7 years
• D. 21.7 years

Answer 1

Answer: (D)