There are nine letters in the below-given diagram. You have to form a nine-letter word using these letters.

Why Aeroplane windows are round?

There’s a girl who has a large family. She has an equal amount of brothers and sisters, but each brother only has half as many brothers and sisters. What’s the correct amount of brothers and sisters?

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

What is next number in the pattern below:

131 517 192 123 ?

Today, I celebrated my 32nd birthday but I was born in 1972.
How is this possible?

I get hot but I never sweat,
I cook food but I am not a chef,
I have a door but you can't enter me,
I have a light but I am not a lamp.
Who am I?

John and Jacob are twin brothers. One of them is a liar whereas the other one is a truth-teller.

I called their home number and one of them picked up.
I asked. 'Does John lie?' The person replied with a yes.

Whom did I talk with, John or Jacob?

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

Andrew’s doctor gives him three pills and tells him to take one every half hour. How much time will have passed by the time Andrew’s taken all three pills?