I always drive my customer away.

Who am I?

Replace the question mark with the correct number, given the pair of numbers exhibits a similar relationship?

? : 3839 :: 11 : 1209

Wednesday, Steve and Pam go to a restaurant to eat lunch. After eating lunch, they pay the bill. But Steve and Pam do not pay the bill. So…who does?

Can you decipher these quotes by Albert Einstein?
Blf xzm mvevi hloev z kilyovn lm gsv ovevo lm dsrxs rg dzh xivzgvw.

Can you find the key in the picture below?

What is the largest amount of money that you can possess in change and still if someone asks you for a dollar, you won't be able to give?

If you drop me I’m sure to crack, but give me a smile and I’ll always smile back. What am I?

The more it dries, the wetter it becomes. Can you tell what it is?

This is a famous paradox which has caused a great deal of argument and disbelief from many who cannot accept the correct answer. Four balls are placed in a hat. One is white, one is blue and the other two are red. The bag is shaken and someone draws two balls from the hat. He looks at the two balls and announces that at least one of them is red. What are the chances that the other ball he has drawn out is also red?

Can you find a pattern and the missing number in the series given below?

100, 155, 258,? , 584, 819.