There is a hypothetical state between the USA and Mexico border 'Tango'.
Here 70 percent of the population have defective eyesight, 75 percent are hard of hearing, 80 percent have Nose trouble and 85 percent suffer from allergies, what percentage (at a minimum) suffer from all four ailments?

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?

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

What do you think with the below Picture ?

Can you name four days which start with the letter 'T'?

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

I have teeth but i don't bite. Who Am I ?

Before reading ahead, you must know the fact that only one of the people here is telling the truth.

A says that B is lying.
B says that C is lying.
C says both A and B are lying.

Can you find out who is speaking the truth?

A man lives on the fifteenth floor of an apartment building. Every morning he takes the elevator down to the lobby and leaves the building. In the evening, he gets into the elevator, and, if there is someone else in the elevator, or if it was raining that day, he goes back to his floor directly. Otherwise, he goes to the tenth floor and walks up five flights of stairs to his apartment. Can you explain why he does this?

Imagine you are in a room with no windows or doors. How will you get out?