Given information about the mean, can you work out the missing numbers?

From the mean weight of five ballet dancers and the mean weight of ten rugby, what is the average weight of all fifteen people?

The pie chart shows the different types of ice creams that were sold last Saturday. How many chocolate ice creams were sold?

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

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

The ladybird five-a-side squad has six members. The average number of spots is 12. How many spots does the pine ladybird have?

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

Find the missing number if the mean, median and mode are all the same.

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

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?

In a club, there are four committees, which are organised according to some rules. How many people are there in the committee?

What value of x makes the mean of the first three numbers in this list equal to the mean of the other four?

Can you work out how many students applied to a school, if you know about how the mean number of students has changed?

Five friends live in five towns in southern France. In which town should they meet to keep the total travelling distance as small as possible?

Can you work out the median weight of these children from the given means?

How does Snow White need to change her value for mean-dwarf-height after a mix-up?