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

What is the coolest letter in the alphabet?

Two boys wish to cross a river. The only way to get to the other side is by boat, but that boat can only take one boy at a time. The boat cannot return on its own, there are no ropes or similar tricks, yet both boys manage to cross using the boat.

How?

I have some blue and red sock in my drawer. I have a total of 4 socks. I pick 2 socks and the chance that I get a pair of red socks is 1/2.

What is the chance of picking a pair of blue socks?

It belongs to you, but other people use it more than you do. What is it?

Decode below three cipher riddles:

26 L of the A
7 D of the W
1000 Y in a M

A blonde put eyeliner on her head. Why?

The product of three consecutive numbers is 7980.
Then the sum of these consecutive numbers would be?

81 x 9 = 801. What must you do to make the this equation true?

I am a five-letter word and people eat me. If you remove the first letter I become an energy form. If you remove the first two letters, I am needed to live. Scramble the last three letters and I am a drink. What word am I?