I am soft and cuddly that soothe your heart. But, If you pick my last name I am going to tear you all apart. Who am I?

It can be easily calculated that the digits 0 to 9 can be arranged into 3628800 distinct ten-digit numbers.

But do you know how many of these numbers are prime?

When my father was 31 I was 8. Now he is twice as old as me. How old am I?

The more of this there is, the less you see. What is it?

I’m light as a feather, yet the strongest person can’t hold me for five minutes. What am I?

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?

Two in a corner, one in a room, zero in a house, but one in a shelter. What is it?

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

The more you take me, the more you leave me behind.
Who Am I?

Which is the correct shadow of the bird?