Would you choose a definite £500 or a possible million quid?

Take this simple Observer quiz to find out whether you like to take risks or prefer to err on the side of cautionAre you a risk seeker? Do you know when to hold ’em, when to fold ’em and when to walk away? What would you choose if offered £500 for sure or a gamble with a 15% chance of winning £1,000,000?Although ostensibly about risk seeking, this test is actually a test of your reasoning ability and, more generally, your intelligence. Now we can make an exception if you