What can you catch but never throw?

What seven-letter word has hundreds of letters in it?

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?

Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?

Cristina was born in 1888. She just had her 30th birthday today how did that happen?

There is a box in which distinct numbered balls have been kept. You have to pick two balls randomly from the lot.

If someone is offering you a 2 to 1 odds that the numbers will be relatively prime, for example
If the balls you picked had the numbers 6 and 13, you lose $1.
If the balls you picked had the numbers 5 and 25, you win $2.

Will you accept that bet?

In an interview, a boy was asked an unusual question 'How two persons sitting with a table in between them can't see each other?' He was unable to reply. Can you?

I sleep during the day and fly at night, but I have no feathers to aid my flight. What am I?

What is the next shape from answers A, B, C, and D figure?

The person who makes it has no need for it. He who purchases it does not use it. The person who does use it does not know they are. What is it?