You may also like

problem icon

Consecutive Numbers

An investigation involving adding and subtracting sets of consecutive numbers. Lots to find out, lots to explore.

problem icon

Calendar Capers

Choose any three by three square of dates on a calendar page...

problem icon

Building Tetrahedra

Can you make a tetrahedron whose faces all have the same perimeter?

Wedding Morning

Stage: 3 and 4 Short Challenge Level: Challenge Level:1

On the morning of the 9th of November 2015, Sam told Pat "I am getting married today, aged 30."

From this information, can Pat correctly deduce which year Sam was born in?


If you liked this problem, here is an NRICH task that challenges you to use similar mathematical ideas.

This problem is taken from the UKMT Mathematical Challenges.
View the archive of all weekly problems grouped by curriculum topic