what's the probability of getting a king or a queen from a pack of 52 cards?

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

Can you count the number of triangles in the picture below?

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?

Why 1729 is a magic number? Answer Logically.

Until it is measured, not known. Yet how you miss it when it has gone. What is it?

You are playing a game with your friend Jack. There are digits from 1 to 9. You both will take turn erasing one digit and adding it to your score. The first one to score 15 points will win the game.

Would you want to play first or second?

PS: The sum should be exactly 15.

What do you call a fish without an eye?

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?

What is in seasons, seconds, centuries and minutes but not in decades, years or days?