Answer:
What is harder to catch the faster you run?
How much does it cost to go to Hogwarts?
When young, I am sweet in the sun. When middle-aged, I make you gay. When old, I am valued more than ever.
How can people without noses smell?
What did the grape do when he got stepped on?
If it’s information you seek, come and see me. If it’s pairs of letters you need, I have consecutively three. What am I?