Reviews / Brain Teasers & Problems
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Christmas Puzzle
Four angels sat on the Christmas tree amidst other ornaments. Two had blue halos and two yellow. However, none of them could see above his head. Angel A sat on the top branch and...
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Find the cat
One component of general intelligence (G) is visual processing (Gv). Here is a visual intelligence type problem – find the cat in the picture below. This image has been circulating on Facebook:
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The Paradox
Paradox Definition A paradox is a seemingly true statement or group of statements that lead to a contradiction or a situation which apparently defy logic. A taste for paradox is central to the philosophies...
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Classic Lateral Thinking Puzzle
According to BrainDen.com: This is one of the more popular and most celebrated of all lateral thinking logic puzzles. It is a true classic. Although there are many possible solutions that fit the conditions,...
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Free Cell Solitaire
Brain biohacker Dave Asprey, introduced in this blog post, has recommended Free Cell Solitaire as a good measure of brain power, with performance in the game varying with brain performance, perhaps on account of...
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Matrix IQ Problems
1. Matrix Reasoning problems are one of the best ways to measure our fluid intelligence. The famous ‘Ravens Matrices’ IQ test (standard and advanced) – which Mensa accepts as a qualifying IQ test –...
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3 Jugs Problem
You have 3 jugs of different size – 8 oz, 5 oz and 3 oz. Someone fills the 8 oz jug full of juice and you have to divide it exactly between two people...
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Universal Pictogram Associations Test
Here is one of maestro high iq test creator Paul Laurent’s brain-teasers: The Universal Pictogram Associations Test. You can find the test here. (You can find more of Laurent’s high range IQ tests here.)...