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?

Prove that twice of ten is the same as twice of eleven.

Take away the whole and some still remain. What is it?

The dirtier I get, the whiter I look. Who am I?

I am the fastest animal but cannot climb the tree. What am I?

By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"

A man calls his dog from the opposite side of a river. The dog crosses the river without a bridge or a boat and manages to not get wet. How is this possible?

It is always ahead of me yet I can never see it. What is it?

Where do you go to learn how to make ice cream?

When is the top of a mountain similar to a savings account?