Or search by topic
One gallon of honey provides fuel for one bee to fly about seven million miles.
Roughly how many bees could fly one thousand miles if they had ten gallons of honey?
If you liked this problem, here is an NRICH task which challenges you to use similar mathematical ideas.
Draw a 'doodle' - a closed intersecting curve drawn without taking pencil from paper. What can you prove about the intersections?
I want some cubes painted with three blue faces and three red faces. How many different cubes can be painted like that?
Show that for any triangle it is always possible to construct 3 touching circles with centres at the vertices. Is it possible to construct touching circles centred at the vertices of any polygon?