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The Webmaster Algebra

Dec 15, 2017, 5:10 PM

A webmaster looked at the ad revenues at his website. The account showed “Today’s Earnings” as $…

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An Odd World?

Dec 06, 2017, 11:58 PM

You found yourself exploring a place where the finish precedes the start, where a pride goes after a fall, where creation follows…

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Colored Gems

Nov 30, 2017, 1:16 PM

I’m white in the front and red in the back. What am I usually on the…

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A-Mazed Message

Nov 23, 2017, 1:19 PM

A message is hidden in this maze. Can you detect what…

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Pizza Time

Nov 16, 2017, 1:34 AM

Four friends ordered a large pizza cut into eight slices. The friends ate the entire pizza, each of them eating a different number of slices.

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Tic-Tac-Toe: O2X

Nov 08, 2017, 2:47 PM

A middle of a tic-tac-toe game. It is known the game eventually ended with a win. Assuming that both players are equally skilled and do not miss any chances to…

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Half-Moons

Jul 12, 2016, 7:19 PM

Nine moons. Some ratio has to be reached by rotating some number of the moons. What is the number?

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The Phone Number Math

Jul 01, 2016, 11:56 PM

Alison’s 10-digit phone number consists of 10 different digits. No repeats. What is the first digit in Alison’s phone number if…

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Hexagons Plus 2

Jun 10, 2016, 11:56 PM

In a composition of four cubes the outlines of 3 regular hexagons can be spotted. It’s enough to move and/or rotate just…

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Candies

May 27, 2016, 9:18 PM

It was a warm July day. Around 70F in the air. Stephen had an appointment with his dentist today who was 16 miles away. Arriving a bit earlier than…

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Fruit Magic

May 20, 2016, 9:57 PM

A fruit is missing in this healthy produce arrangement. Name the one which should fill out the gap.

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Double Exposure

May 06, 2016, 11:54 PM

Nine digits are presented as words – a digit per line. Two digits can be spotted twice in this arrangement – each one when an imaginary straight line is drawn through the centers of respective tiles.

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Shopping Spree

Apr 29, 2016, 11:58 PM

Charlotte spent her morning in downtown. After a delicious cup of hot chocolate at location #102, she visited a perfume salon at location #56 across the street. She then stepped into…

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Triangle to Square

Apr 15, 2016, 3:53 PM

Suppose you have a shape of an equilateral triangle with straight sides. Using only a pencil and the triangle as a ruler it is possible to draw a…  

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Straight to Finish

Mar 31, 2016, 11:50 PM

Three cars were racing on a track. They racing pattern was very interesting. Based on the pattern it is possible to…

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