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

I am under you when I am whole.
I shift above you if you remove the first letter.
I come all around you if you remove the second as well.

Can you tell me who I am?

You have a thousand Re. 1 coins with you. You have ten bags with you and you can put any number of coins in each of the bags. The condition is that if someone asks you for any amount between 1 and 1000, you must be able to give that amount by just giving the bag (you are not allowed to open the bag and give coins).

How will you do it?

There was a competition where the contestants had to hold something. At the end of the event, the winner was a person who had no hands or feet. What was it that the contestants had to hold?

10+10 and 11+11 can give you the same answer.

Explain how?

How many words can a quill made with the feather of a pigeon write with a 100ml bottle of black ink?

If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?

How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?

Why is the Hole below a Lock?

Two batsman each on 94 runs. Seven runs needed to win in last 3 balls. Both make 100*. How?