What goes up but never comes down?

A red house is made out of red bricks. A yellow house is made out of yellow bricks. And, a blue house is made out of blue bricks. So, what is a greenhouse made of?

No one wants to have it, but if one got it, he does not want to lose it. What is It?

Why Aeroplane windows are round?

It has horns but can’t beep. It is like to bleat but It is not a sheep. What is it?

Find the Goldfish below the given Image.

I possess a head

I flaunt a tail

But I don't have mouth or legs

Can you find out who I am?

A Child was born in Lahore, Pakistan. Still, the child is not a Pakistani citizen. why?

A man has to get a fox, a chicken, and a sack of corn across a river.

He has a rowboat, and it can only carry him and one other thing.
If the fox and the chicken are left together, the fox will eat the chicken.
If the chicken and the corn are left together, the chicken will eat the corn.

How does the man do it?

Can you arrange four 9's and use at most 2 math symbols, to make the total 100?