Answer the question featured in the show correctly, and you could win a cash prize equivalent to the final selling price!
Question: What is the purity of gold measured in?
Answer: B (Carats)
Closing date for online entries is 2nd February 2010 at 5pm.
Online go to www.itv.com, and follow instructions; up to 5 entries per phone number. There is no charge for online entries.
The winner must be aged 18 years or over at the time of entry.
Enter this week's competitions twice by the same method to go into the £10,000 prize draw.