How is the moon similar to a dollar?

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

I am a type of word that is spelt incorrectly or used differently, on purpose for humour. What am I?
Hint 1: You can find me in a joke.
Hint 2: I am a play on words.

Find the hidden panda in the image below.

What do you see in the given picture?

I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?

You can win me and lose me but never buy me
You can not eat me and never want to part with me
I can make you cry or bring you joy
I am not a machine and definitely not a toy
You keep me but i am not forever just yours
You might find me in a case or on a shelf next to a vase
I am hard and i am tall if you bump me i am sure to fall
I am made of different materials and am at many events
If your lucky and fight hard I might be yours
What am I ?

Can you place six X (crosses) in below board without making three in a row in any way ?

There are 2 people near the river and both of them want to get on the other side. The boat can only take one of them. But they got across.
How?

A man desired to get into his work building, however he had forgotten his code.
However, he did recollect five pieces of information
* Fifth number + Third number = 14
* The fourth number is one more than the second number.
* The first number is one less than twice the second number.
* The second number and the third number equals 10.
* The sum of all five numbers is 30.

What is the code ?