This Month's Puzzle
Pyramid Scheme

Each month, DownStreet will offer up a puzzle to tease some of those unused brain cells out of hibernation.  Ready?

No one even tried last month's puzzle -- Where'd the Money Go?  Guess either it wasn't interesting enough ... or too tough.  So this month, we'll try something easier.  ...

This Month's Puzzle:  Pyramid Scheme

Just about everyone's familiar with how the pins at the bowling alley are arranged -- pyramid-style.  ...

Row 1:  1 pin
Row 2:  2 pins
Row 3:  3 pins
Row 4:  4 pins
Total:  10 pins

Simple, right?

Good.  ...

The question, then, is this:.  

The Question:  

Suppose the pins went 40 rows deep instead of 4?  How many pins would there be?  How about 100 rows deep?  How about 576 rows deep?

Think you know the answers?  

If you do, or simply want to take your best shot ...

Fill out the form below and send it along?  or simply pop us an e-mail to ...

puzzles@downstreetmagazine.com

Also tell us how you figured it out.  {For your sake, we hope you didn't do it by counting and adding up all the pins in all the rows.}

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NOTE:  We do not accept entries for the Monthly Puzzle after it has run in the current issue.
               Thanks.

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If you have a puzzle you'd like to submit to our Monthly Puzzle feature, let us know by e-mail at

puzzles@downstreetmagazine.com

We'll look it over and, if we use it, you can receive a small honorarium for your trouble.  {See our Freelancers Wanted page for more info.

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Lou Colasanti, Editor & Laura Wisniewski, Associate Editor
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