Oral presentations could also be important, with the wider skills of problem solving and working with others.

Solving a complicated problem can be frustrating. You can have good problem solving skills, but sometimes a problem seems like it has no solution. Nevertheless, never give up.

It is enough knowing the problem to solve the problem.

As you yourself have said, what other explanation can there be?'

Poirot stared straight ahead of him. 'That is what I ask myself,' he said. 'That is what I never cease to ask myself.

If I had an hour to solve a problem I'd spend 55 minutes thinking about the problem and 5 minutes thinking about solutions.

Accept the problem, pray for a solution, then let go until the answer arrives.