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

Which country gets ill every time?

Can you count the number of quadrilaterals in the picture below?

What can you catch but never throw?

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

Alpha is Beta's sister.

Gamma is a Beta mother.

Delta is Gamma's father.

Tango is Delta's mother.

Then,

How is Alpha related to Delta?

Two trains start at the same time, one from Bangalore to Mysore and the other from Mysore to Bangalore. if they arrive at their destinations one hour and four hours respectively after passing one another, how much faster is one train running than the other?

Which point will the car reach to go out?

Why Aeroplane windows are round?

One night, a man runs away from home. He turns left and keeps running. After some time he turns left again and keeps running. Later, he turns left one more time and runs back home—but when he gets home, he finds a man in a mask. Who was the man in the mask?