What is at the end of a rainbow?

There was a blind man. He had four socks in his drawer either black or white. He opened it and took out two socks. Now the probability that it was a pair of white socks is 1/2.

Can you find out the probability that he had taken out a pair of black socks ?

A donkey is behind another donkey
I'm behind that second donkey
But there is a whole nation behind me

It is a murder you can describe in a word.

How many triangles are there in the picture below?

At my favorite fruit stand,
an orange costs 18,
a pineapple costs 27,
and a grape costs 15.
Using the same logic, can you tell how much a mango costs?

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?

If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

If in a code language, DISTANCE is written as IDTUBECN and DOCUMENT is written as ODDVNTNE, the how will THURSDAY be coded as in the same language?

Many have heard it, but nobody has ever seen it, and it will not speak back until spoken to. What is it?

Who can jump higher than a Mountain?