What brings you down but never up?

The square root of number 121 is "11". What is the square root of the number "12345678987654321."?

With pointed fangs I sit and wait; with piercing force I crunch out fate; grabbing victims, proclaiming might; physically joining with a single bite. What am I?

A guy in his thirties is found dead in a forest. The shocking thing about the body is that he is wearing his swimming trunks snorkel and a facemask.

For your information, the nearest lake is some 10 miles away and the sea is hundreds of miles away.

How did he die then?

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

Can you find out who is the kidnapper in below Picture and why, Explain ?

This is a simple one. You just have to count the number of Fs in the given sentence.

Finished Files are the result of years of scientific study combined with the experience of years.

How many did you count?

You have two jars of chocolates labelled as P and Q. If you move one chocolate from P to Q, the number of chocolates on B will become twice the number of chocolates in A. If you move one chocolate from Q to P, the number of chocolates in both the jars will become equal.

Can you find out how many chocolates are there in P and Q respectively?

Can you Find and name the hidden bird in the picture below ?

When you say goodbye, I am what you need to tie.
I come as a couple and go wherever you run.
Who am I?