A library has an average of 510 visitors on Sunday and 240 on other days. The average number of visitors per day in a month of 30 days beginning with a Sunday is___________?
2
A family consists of grandparents, parents and three grandchildren. The average age of the grandparents is 67 years, that of the parents is 35 years and that of the grandchildren is 6 years. What is the average age of the family?
3
The average of five consecutive odd numbers is 61. What is the difference between the highest and lowest numbers?
These are just sample questions. The actual quiz contains 20 questions.
