Average Lv 2

Find the average of first 10 prime numbers...

The average height of a family of five is 150 cm. If the heights of 4 family members is 153, 150, 151 and 152, find the height of the fifth member.

The following are the scores of Sam, John and George in a certain year:

(i) Whose average is the best and by how much?

(ii) Against which country did they score more than their individual average?

Find the average of first ten odd numbers.

Find the average of 1 hour 25 minutes, 2 hours 40 minutes, 3 hours 35 minutes and 4 hours.

Ryan covered a distance of 42 km in 3 hrs and a further distance of 44 km in 4 hrs. Find his average speed.

The total sales in a coffee shop for a week are $ 9723.00. What is the average sale per day?

Find the average of following set of numbers.

      65, 85, 70, 90, and 105.

Age of five men are 45, 42, 40, 53 and 50. Find their average age.

Average of 5 numbers is 16 and four of the numbers are 12, 14, 16 and 18. Find the fifth number.