I have eight fingers and two thumbs but I do not live. What Am I?

Can you name some countries which do not have the alphabet 'A' in them?

Two guards were on duty outside a barracks. One faced up the road to watch for anyone approaching from the North. The other looked down the road to see if anyone approached from the South. Suddenly one of them said to the other, "Why are you smiling?"

How did he know his companion was smiling?

It's pretty hard to give up.
If you remove a part of it, you will be left with a bit.
Even if you remove another part, the bit still remains.
Remove one more and it still remains.

What is it?

I have some blue and red sock in my drawer. I have a total of 4 socks. I pick 2 socks and the chance that I get a pair of red socks is 1/2.

What is the chance of picking a pair of blue socks?

Can you arrange four 9's and use at most 2 math symbols, to make the total 100?

When I got four, I have it none.
When I got two, I have it some.
When I got none, I have it all.

What is it?

John’s parents have three sons: Snap, Crackle, and what’s the name of the third son?

When you stop to look, you can always see me. But if you try to touch me, you can never feel me. Although you walk towards me, I remain the same distance from you. What am I?

How many letters are in the alphabet?