I have an eye but still cannot see.

Who am I?

How much will a 38° angle measure when looked at under a microscope that magnifies ten times?

A man says, "Brothers and sisters, have I none, but that man's father is my father's son." Who is that man?

When you say goodbye, I am what you need to tie.
I come as a couple and go wherever you run.
Who am I?

I start and end with 500 and carry a 5 in my heart. But I require the first letter and the first number to be complete. I am the name of a King.

Who am I ?

The product of three consecutive numbers is 7980.
Then the sum of these consecutive numbers would be?

If six children and two dogs were under an umbrella, how come none of them got wet?

Two friends Smith and Andrew were talking about the bravery of their families. Smith told great stories about his courageous grandfather who fought for Britain in "World War I". Andrew told that his grandfather was so brave that in 1919 just after the war he was honoured with a bravery medal with the words "For our Courageous Soldiers In World War I" embedded into it. Smith knows that his friend is lying. How?

The host of a game show, offers the guest a choice of three doors. Behind one is a expensive car, but behind the other two are goats.
After you have chosen one door, he reveals one of the other two doors behind which is a goat (he wouldn't reveal a car).

Now he gives you the chance to switch to the other unrevealed door or stay at your initial choice. You will then get what is behind that door.

You cannot hear the goats from behind the doors, or in any way know which door has the prize.

Should you stay, or switch, or doesn't it matter?

Women do it once a year after they turn 19 but men get to do it only once in a lifetime. What is it?