Challenge Level

What is the average weight of five ballet dancers and ten rugby players?

Challenge Level

The pie chart shows the different types of ice creams on sale. How many chocolate ice creams were sold?

Challenge Level

When Kate ate a giant date, the average weight of the dates decreased. What was the weight of the date that Kate ate?

Challenge Level

How many visitors does a tourist attraction need next week in order to break even?

Challenge Level

Find these 4 numbers, given their mode, median and range.

Challenge Level

Find 4 numbers which have a mean of 7, a median of 8 and a mode of 9.

Challenge Level

The average temperature of six cities is 5$^\circ$C. What is the average temperature when two cities are added?

Challenge Level

In which town should five friends meet, in order to keep the total travelling distance as small as possible?

Challenge Level

Can you find the mode and median number of goals scored by Alpha United?

Challenge Level

Two students collected some data on the wingspan of bats, but each lost a measurement. Can you find the missing information?

Challenge Level

What happens to the average if you subtract 8 from all of the numbers?

Challenge Level

What is the largest number Sophie can use to have seven positive integers with a mean of 7?

Challenge Level

Can you fill this square so that the number in the middle of each line is the mean of the two numbers on either side of it?

Challenge Level

Given this information about averages, find the ages of these teachers.

Challenge Level

Can you work out the four unknown numbers from the clues about their means?

Challenge Level

Can you find a way to break one of these rods so that one of the pieces is equal to the mean of the other two?

Challenge Level

What is the probability that the next person you meet has an above average number of arms?

Challenge Level

Every member of the club is a member of two committees. How many members are there in the club?

Challenge Level

Grandpa made a super-heavy rock cake. Five people have guessed the weight of the cake. Can you work out the weight of his cake?