If 21x = 79x, what is the value of x?

I am the beginning of everything, the end of everywhere. I'm the beginning of eternity, the end of time and space. What am I?

Find three whole, positive numbers that have the same answer when multiplied together as when added together.

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?

Which city is three-fifths chick two third cat and 50% goat?

Why Aeroplane windows are round?

I drive at an average speed of 30 miles per hour to the railroad station each morning and catch my train. On a particular morning, there was a lot of traffic and at the halfway point, I had averaged only 15 miles per hour. How fast must I drive for the rest of the way to catch my train?

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

Why blonde cannot dial 911?

Decode below three cipher riddles:

26 L of the A
7 D of the W
1000 Y in a M