Chad Richard

February 22, 2013

How many bumps will the next level on the pyramid have?

Ken Meehan

April 24, 2013

How annoyed were your neighbors at the conference table? And what about "Centre" vs "Center"?

James Sperry

July 17, 2013

Volume of empty spaces between cylinders

Michelle Bailey

July 30, 2013

How many "bubbles" would be added in the next row?

Mark Roddy

September 22, 2013

Is the number of "dots" on the bottom of the glass always the same from glass to glass?

Jan Parry

October 03, 2013

How many glasses could be put on top of this?

Elaine J Roberts

November 25, 2013

How many total dots are there?

Tammy Neil

December 03, 2013

Is this real crystal?

Suzy Sanchez

December 16, 2013

How many dots are on there?

Caren Kelly

January 30, 2014

Why are those glasses upside down? I used to have those... in the 70's.

Lee Ann Dalton

February 16, 2014

How many holes in the frogs in total?

Daniel Assael

February 19, 2014

How many ounces of water would it take to fill all of the cups?

Josh Bobbitt

February 27, 2014

How many glasses would it take to build a pyramid rows?

Alli Oswandel

April 27, 2014

how many circles?

Math Maverick

June 11, 2014

What's the sequence for the number of bumps?

Chuck Baker

September 17, 2014

how many circles are in this triangle?

Ryan Adams

October 20, 2014

How many glass "bubbles" on the glasses?

Lyna lABELLE

November 14, 2014

What's a fractal?

Kris Vester

November 25, 2014

How much area is not glass?

Jan Lewis

December 12, 2014

How many divets are there altogether?

John Seidel

April 03, 2015

How many circles are on the bottom of those glasses?

Alia Malik

August 30, 2015

What are they used for?

Maureen Becker

August 30, 2015

What is the diameter of one cup?

Beth

May 24, 2016

How many different shapes an you create using the cups in the picture?

Dena Kauer

September 15, 2016

How many circles do you see?

Sunny Yang

September 25, 2016

how many transparent circles are there?

Falck, Andy

December 13, 2016

Nigel Branson

January 03, 2017

How many triangles can you see?