Weekly Problem 32 - 2012
How many visitors does a tourist attraction need next week in order to break even?
Weekly Problem 12 - 2012
The pie chart shows the different types of ice creams that were sold last Saturday. How many chocolate ice creams were sold?
Weekly Problem 26 - 2009
From the mean weight of five ballet dancers and the mean weight of ten rugby, what is the average weight of all fifteen people?
Weekly Problem 31 - 2012
When Kate ate a giant date, the average weight of the dates decreased. What was the weight of the date that Kate ate?
Weekly Problem 36 - 2009
From the mean of 64 numbers, and the mean of the first 36 of these numbers, can you work out the mean of the last 28 numbers?
Weekly Problem 4 - 2016
What is the largest number Sophie can use to have 7 positive integers with a mean of 7?
Weekly Problem 52 - 2013
When a jewel worth £5000 is transferred from one box to another, the average value of the jewels in both boxes increases. What is the total value of all the jewels?
Weekly Problem 38 - 2007
Find the missing number if the mean, median and mode are all the same.
Weekly Problem 11 - 2008
The mean of three numbers, x, y and z is x. What is the mean of y and z?
Weekly Problem 23 - 2009
How does Snow White need to change her value for mean-dwarf-height after a mix-up?
Weekly Problem 16 - 2016
How many three digit numbers have the property that the middle digit is the mean of the other two digits?