Travel a Lot Meet Both Rich and Poor

I travel a lot and meet both the rich and the poor, but nobody knows where I am going next. I’m invisible but you can see what I do. Who or what am I?

Wind (or anything blown by the wind). It moves all over, reaches the rich and the poor equally and no one knows exactly which way the next gust of wind will blow. You can’t see the wind, but you can see what it blows, like leaves or dust.

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How Much Dirt?

How much dirt is there in a hole that measures two feet by three feet by four feet?

None. A hole doesn’t have any dirt.

Posted in Brain Teasers

SO ND JF

SO, ND, JF, MA, __, __

What are the next two pairs of letters?

MJ, JA. September, October, November, December…

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Peppino’s Hat

Peppino bought a new hat and Tito asked what day he bought it. Peppino replied, “If yesterday was tomorrow, today would be Tuesday.” On what day did Peppino buy his hat?

Thursday. Yesterday (from Thursday) is Wednesday, which is tomorrow with respect to Tuesday.

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Calm and Cool Among Tumult and Fury

I remain calm and cool among tumult and fury,
I hide treasures and creatures you could hardly fathom,
I will crush those I welcome in deeply,
I am dark yet beautiful.

What am I?

Underwater in the deep ocean. Even when storms brew, the water deep below the surface is calm and cool. Thousands of treasures have been lost in sunken ships, and amazing creatures live at deep depths of the ocean. At extreme depths, the pressure is crushing. It is extremely dark deep in the ocean, yet also beautiful.

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Robbers Took Everything They Could

Two robbers took everything they could get their hands on. A police officer saw it but did nothing to stop them. Why?

It was Halloween. The robbers and police officer were all kids dressed up in costume, and all they took was candy.

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How Old is Lilly?

Two days ago Lilly was 7 years old. Next year she will turn 10. How can this be?

Her birthday is December 31st. Today is January 1st so she was 7 two days ago, and turned 7 last year. Now she’s 8 and will turn 9 this year. And next year she’ll turn 10.

For example, if today is 01 Jan 2015:

30 Dec 2014 = age 7 (two days ago)
01 Jan 2015 = age 8 (today, she turned 8 on 31 Dec 2014, which was last year)
31 Dec 2015 = age 9 (her birthday this year)
31 Dec 2016 = age 10 (her birthday next year)

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Before Mount Everest

Before Mt. Everest was discovered, what was the tallest mountain in the world?

Still Mount Everest. Just because it wasn’t discovered didn’t make it any smaller.

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Bank Wait Times

Suppose a small bank has one teller and customer transactions take 10 minutes on average. With 5.8 customers arriving per hour, what is the expected wait time? What would it be if you added a second teller?

With one teller, customers will wait nearly five hours on average. But adding a second teller makes the wait go down to 3 minutes.

Thanks to John D. Cook for this one.

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Often There’s Only a Frown

I torture children and parents
Many people scream and wail in my presence
Parents drag their kids to me
I am supposed to create smiles,
But often there is only a frown.

What am I?

A dentist.

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