A mother is 21 years older than her child. In exactly 6 years from now, the mother will be exactly 5 times as old as the child.
Where's the father?

I have feet, but no legs. Which animal Am I?

Replace the question mark with the correct number in the below-given picture?

A number with an interesting property:

When I divide it by 2, the remainder is 1.
When I divide it by 3, the remainder is 2.
When I divide it by 4, the remainder is 3.
When I divide it by 5, the remainder is 4.
When I divide it by 6, the remainder is 5.
When I divide it by 7, the remainder is 6.
When I divide it by 8, the remainder is 7.
When I divide it by 9, the remainder is 8.
When I divide it by 10, the remainder is 9.

It's not a small number, but it's not really big, either.
When I looked for a smaller number with this property I couldn't find one.

Can you find it?

A finger goes in me. You fiddle with me when you're bored. The best man always has me first. What am I?

I am lying and I always lie. Tell me whether I am lying or telling the truth.

Can you find a five letter word that is left with only two letters if one is removed?

If you toss a coin 10 times and it lands heads up every time, what are the chances it will land heads up if you toss it again?

Where do fish keep their money?

All of Jacob's shoes are red except two.
All of Jacob's shoes are green except two.
All of Jacob's shoes are yellow except two.

How many shoes does Jacob have?