What do you answer even though it never asks you questions?

What is at the end of a rainbow?

Two natural numbers have a sum of less than 100 and are greater than one.

John knows the product of the numbers and Jacob knows the sum of numbers.

The following conversation takes place between them:
John: 'I am not aware of those numbers.'
Jacob: 'I knew you wouldn't be. I am not aware myself.'
John: 'Now I know them!'
Jacob: 'Now I know them, too!'

What are the two numbers?

Two men are in a desert. They both have packs on. One of the guys is dead. The guy alive has his pack open, and the guy who is dead has his pack closed. What is in the pack?

Which of the eight images will fill the missing image in the puzzle below?

What is the largest number you can write with just 3 digits?

Count the squares in the matchstick puzzle below?

Can you find the missing letter in the sequence?
S - T - I - L - ? - T - F - Y - C

Can you find out the next digit in the following series ?

0, 0, 1, 3, 2, 6, 3, 9, 4, 12, 5, ?

Do you know of a place where the wind blows south and then suddenly shifts direction towards the north?