Can you find out the missing number in the grid?

A deaf and mute man goes to the train station. Tickets for the train are 50 cents each. The man goes to the ticket booth and hands the man inside just a dollar. The man in the booth hands him two tickets.

How did the man in the booth know to give him two tickets without even looking at him?

If eleven plus two equals one, what does nine plus five equal?

Find the value of "?" in the ball picture Riddle below:

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

What is both possible and impossible at the same time?

Take away my first letter, then take away my second letter. Then take away the rest of my letters, yet I remain the same. What am I?

Double it and multiply it by 4. Then divide it by 8 and you’ll have it once more. What number is it?

There were three women in all the swimming costumes!
One was happy and the other two were sad!
The happy one was crying and the sad ones were smiling.
Why was this?

How many letters are in the alphabet?