Answer:
What can you throw but not catch?
What word in the English language uses all five vowels plus Y in alphabetical order, and uses each only once?
Whoever makes it, tells it not. Whoever takes it, knows it not. Whoever knows it, wants it not
I work when I play and play when I work.
Who eats a lot of iron without getting sick?
People take me on walks and I run and have fun. What am I?