When I get multiplied by any number, the sum of the figures in the product is always me. What am I?

Can you find the missing piece of the Porsche?

What is the Surname of Barbie Doll?

I am a white box having no key or lid.
Yet there is a golden treasure inside it.

What Am I?

What can run but never walk, have a mouth that never speaks, have a head that never weeps, and have a bed but never sleeps?

A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?

Known by all without exception, Forever here, for your protection, Sometimes strong, sometimes weak, Right after the night I come - hot and chic. And while millions of miles away, I always get to you, I find my way. No life around could do without me, Can you guess what I might be?

During which month do people sleep the least?

I am a normal creature, but I have five hands. I can even have more but even then I will be considered normal.

Who am I?

Which is the correct shadow of the bird?