How many times can you subtract the number two from the number fifty?

What does the below image rebus riddle means ?

Which is the smallest number that you can write using all the vowels exactly once?

Can you solve the below geography rebus by decoding the below rebus ?

Replace the question mark with the correct number in the below-given picture?

I have a hole in my back and legs I lack.
I live where I can’t breathe and I eat without teeth.
What am I?

Can you find out a way through which you can make five squares out of the given figure by moving just six match sticks?

A tree doubled in height each year until it reached its maximum height over the course of ten years. How many years did it take for the tree to reach half its maximum height?

Suppose that you are trapped on the surface of a frozen lake. The surface is so smooth and ideal that there is no friction at all. You cant make any grip on the ice and no wind is blowing to help you out. You have just a mobile phone with you which has got no reception disabling you to call for help.

How will you plan your escape before you freeze to death on the frozen lake?

I travel all around the world but always stay in the corner. What am I?