The average of 8 numbers is 20. If each number is increased by 4, what is the new average

The average weight of 8 students is 60 kg. If the weight of one student is excluded, the average weight decreases by 0.5 kg. What is the weight of the excluded student?

The average score of 20 students is 75. If 5 students scored an average of 80, what is the average score of the remaining 15 students?

What is the average of the first five multiples of 3?

A man’s average monthly salary for 10 months is $2000. How much does he need to earn in the next month to increase his average by $100?

The average of four numbers is 50. If the first number is reduced by 5, the second by 10, and the third by 15, what will be the new average?

A cricketer's scores in 5 matches are: 40, 50, 60, 80, 100. What is his average score?

The average of 7 consecutive numbers is 13. What is the largest of these numbers?

The average age of a class is 40 years. 12 new students with an average age of 32 years join the class, decreasing the average by 4 years. What was the original number of students?

Find the average of the numbers: 10, 20, 30, 40, 50.