What is the difference between a jeweller and a jailer?

Which is the smallest number that you can write using all the vowels exactly once?

Can you decipher the below rebus?

PBLUESAISNUERSES

I am the fastest animal but cannot climb the tree. What am I?

A girl is twice as old as her brother and half as old as her father. In 50 years, her brother will be half as old as his father. How old is the daughter now?

There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?

People make me, save me, change me, raise me. What am I?

Pronounced as one letter,
And written with three,
Two letters there are,
And two only in me.
I am double, I am single,
I am black blue and grey,
I am read from both ends,
And the same either way.

What jumps when it walks and sits when it stands?

In two decks of cards, what is the least amount of cards you must take to be *guaranteed* at least one four-of-a-kind?