Maths question for every day of the month! Visit Rigour Maths for more.
Can you think of a number between 0 and 100? Don’t tell anyone – they need to guess using the questions below. You can change this to 0 and 1000 or 10, 000 or higher!
Can you solve these problems? Send us an email or Tweet with the solution. If you fancy more visit the NRich website. Alternatively try YouCubed for more fun problems.
