How many points are there on the globe where, by walking one mile south, then one mile east and then one mile north, you would reach the place where you started?

There are five vowels (a, e, i, o, u) in the English language.
Can you tell us a word that contains all these vowels?

Here is a mathematical expression that also secretly tells a movie name. What movie is that?

Can you figure out the logic I used to decide the order of the following words:
gun, shoe, spree, door, hive, kicks, heaven, gate, line, den

John was working on a Chemical Mixture whose weight comprise 90% liquid and 10% solid. The total weight of the mixture is 20 pounds. After a while, John noticed that some of the liquid evaporated and now the liquid comprises just 50% of the weight.

What is the weight of the chemical mixture now?

Which country gets ill every time?

Can it be possible to build a house that has all its four walls facing towards the South?

In a football game, Christina defeated Teresa by 2 - 0 but no man from either side scored. How can this be possible?

Look at the picture and find out which square is not linked with any of the other squares.

Can you name an animal whose killing cannot be performed without spilling your own blood?