A geographical survey: answer the tiny questionnaire and then analyse all the collected responses...
By sketching a graph of a continuous increasing function, can you prove a useful result about integrals?
I am thinking of three sets of numbers less than 101. Can you find all the numbers in each set from these clues?
Can you prove that in every tetrahedron there is a vertex where the three edges meeting at that vertex have lengths which could be the sides of a triangle?
Investigate the effects of the half-lifes of the isotopes of cobalt on the mass of a mystery lump of the element.
