How Smart are YOU really?

What is the next number in this series 25,24,22,19,15 … Is it 10, 14, 5 or something else? If you think you know the answer why not take the IQ Challenge and find out how smart you really are? Hundreds of people are rising to the challenge every day, you can see in real-time how you match up. High scores are eligible to win all kinds of prizes every month, not to mention bragging rights over people from all over the country. Try another one, what is the number that is the tenth part of a quarter of the fifth part of half 12,000? Do you think you know the answer? Why not take the IQ Test and see if you are right.