But how and when such a challenge would take place remains unclear.

What they did not know is that the next challenge would take place there.

Both challenges and dinner services still take place, but with individual winners.

The challenge should take one hour to complete by an average driver with good knowledge of directions.

A good challenge could take anything from a week to forever to solve.

The girls were then moved to another location where this week's challenge took place.

Some weeks, a challenge will take place instead, as happened in 2006 and 2007.

The final challenges and rituals take place one vote earlier in the game.

This challenge has 20 questions, requires Flash 5 and takes 10 minutes.

The challenge originally took the form of a taste test.