## Bus Driver’s Age

Imagine you are driving a bus. On the first stop 3 people get in the bus, on the second one 5 more get in, on the third stop 2 get out and 4 get in, on the last stop everybody gets out. How old is the bus driver?

You are imagining the story, so the bus driver is as old as you.

## Widow’s Sister

In what countries a man can not marry his widow’s sister?

In no country, a man can marry his widow’s sister, because he would be dead.

## The Fragile Bridge

You have to cross a long bridge which supports weight up to 180 pounds. However, you weigh 175 pounds and also carry with yourself 3 golden eggs, each of which weighs 2 pounds. How can you get to the other side?

P. S. If you leave an egg unattended, someone can steal it.

Simply juggle the eggs while crossing the bridge.

## Before Mount Everest

Before Mount Everest was discovered, which was the highest mountain in the world?

It was still Mount Everest (even though not yet discovered).

## Haystacks

You have 10 fields and keep 1 haystack in the first one, 2 haystacks in the second one, 3 haystacks in the third one and so on. How many haystacks will you have if you combine all of them in your first field?

You will have one big haystack.