How to Save Gas

If you could chose to increase the average fuel economy of a car, which of these would save the most fuel?

1. 10mpg -> 12mpg
2. 12mpg -> 15mpg
3. 15mpg -> 20mpg
4. 20mpg -> 30mpg
5. 30mpg -> 60mpg

It turns out they all save the same amount of fuel.

If you travel 100 miles:

100 / 10 = 10 gallons used
100 / 12 = 8 1/3 gallons used

10 – 8 1/3 = 1 2/3 gallons saved

100 / 30 = 3 1/3 gallons used
100 / 60 = 1 2/3 gallons used

3 1/3 – 1 2/3 = 1 2/3 gallons saved

Posted in Brain Teasers

Cats Catching Mice

5 cats can catch 5 mice in 5 minutes. How many cats does it take to catch 100 mice in 100 minutes?

5 cats. The same five could keep catching 5 mice every 5 minutes for 100 minutes.

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I Belong To Everyone

I belong to everyone. Sometimes I make you happy, sometimes I make you sad. I will never end until the day you do.

Your thoughts.

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Voiceless It Cries

Voiceless it cries, wingless flutters, toothless bites, mouth-less mutters. What is it?

The wind.

Posted in Riddles

A Slight Inclination of the Cranium

A slight inclination of the cranium is as adequate as a spasmodic movement of one optic to an equine quadruped utterly devoid of any visionary capacity.

Translate this rather strange sentence into one that is more sensible.

A nod is as good as a wink to a blind horse.

Posted in Brain Teasers

Ten Men’s Strength

Ten men’s strength,
Ten men’s length,
Ten men can’t break it,
Yet a young boy walks off with it.

What am I?

A rope.

Posted in Riddles

Imprisoned In Wood and Never Released

I am taken from a mine and shut up in a wooden case from which I am never released. Yet I am used by almost everybody. What am I?

Pencil lead. While modern pencils don’t contain lead, that’s still what we call the graphite compound. When real lead was used in pencils it was mined and nearly everyone has used a pencil at some point in their life.

Posted in Riddles

Around the House Without Touching It

What goes around and in the house, but never touches the house?

The sun.

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The Best of Three Evils

A murderer is condemned to death. He has to choose between three rooms. The first is full of raging fires, the second is full of assassins with loaded guns, and the third is full of lions that haven’t eaten in 3 months.

Which room should he choose to have the best chance of staying alive?

The third room, since the lions would have died from starvation.

Posted in Brain Teasers

All In White, A Fossil

All in white, a fossil,
fresh snow, a loan, the sky,
But just what am I?

A bride (something old, something new, something borrowed, something blue).

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