Puzzle Classics Online

Puzzle classics

Puzzle classics with interactive A, B, C, D buttons

 

Puzzle classics

Puzzle classics with interactive A, B, C, D buttons

 
#139 Mar 30, 2022
When 8 + 8 = 4is true?What it would be related to?
#138 Mar 29, 2022
Two peasants, hungry on the way, decided to stop to eat. One had 5 naan breads with him, the other had 3. As soon as they were about to eat, a third peasant who had no food at all came up and asked th...
#137 Mar 28, 2022
In the plant’s turning shop the final parts are turned from lead billets. A part from one billet. The shaved off chips obtained after 6 parts are produced, can then be melted into an additional billet...
#136 Mar 28, 2022
David’s father has three sons: Snap, Crackle, and ________?What is the first letter of the name?
#135 Mar 26, 2022
How can you walk 1 mile north, 1 mille west, 1 mile south, and end up where you started?What letter this location would start from?
#134 Mar 25, 2022
Three guests check into a hotel. They decide to share a room, which they are told will cost $30 for the night. Each guest pays $10 and they go up to their room. However, a short time later, the night ...
#133 Mar 25, 2022
A great craftsman created a beautiful chessboard for a king, who was so impressed he asked the craftsman to name his price. The craftsman said he wanted to be paid “only a few grains of rice,” in this...
#132 Mar 23, 2022
Suppose, you have two lengths of rope, and you know that each of them will take exactly one hour to burn. However, the rope varies in thickness and some parts may burn at different speeds, so half of ...
#131 Mar 22, 2022
There are two sisters. One gives birth to the other, and she in turn gives birth to the first. What are the first letters in the names of the sisters?
#130 Mar 21, 2022
This shape can be divided into 4 smaller congruent parts all of which are similar to this big one. Congruent parts can be mirrored. How many mirrored parts to the original big one will be there after...
#129 Mar 21, 2022
What has four legs in the morning, two legs in the afternoon, and three legs in the evening?What letter the answer would most probably start with?
#128 Mar 19, 2022
This shape can be divided into 4 smaller congruent parts all of which are similar to this big one.How many straight cuts would you need for this?
#127 Mar 18, 2022
This shape can be divided into 4 smaller congruent parts all of which are similar to this big one.How many straight cuts would you need for this?
#126 Mar 18, 2022
It’s possible to arrange digits 1 through 9 along the sides of a triangle so that the numbers along each side add up to 20.How many unique solutions exist?
#125 Mar 16, 2022
What is the area of the shaded part?
#124 Mar 15, 2022
What is the area of the shaded part?
#123 Mar 15, 2022
What is the area of the shaded part?
#122 Mar 14, 2022
A bag contains either a red ball or a blue ball. A red ball is then dropped into the bag, so now the bag has 2 balls.A drawing is held, and a red ball is drawn out of the bag. What’s the probability o...
#121 Mar 14, 2022
With only one cut it is possible to divide this shape into two congruent pieces (identical in size and shape).How many straight segments would such a cut consist of?
#120 Mar 12, 2022
Place 6 glasses on a table - 3 up, 3 down. Take any pair of glasses and invert them. If you continue to invert the pairs as long as you like, will you ever end up with all six glasses upright?
 
 
#139 | Mar 30, 2022
When 8 + 8 = 4is true?What it would be related to?
 
 
#138 | Mar 29, 2022
Two peasants, hungry on the way, decided to stop to eat. One had 5 naan breads with him, the other had 3. As soon as they were about to eat, a third peasant who had no food at all came up and asked th...
 
 
#137 | Mar 28, 2022
In the plant’s turning shop the final parts are turned from lead billets. A part from one billet. The shaved off chips obtained after 6 parts are produced, can then be melted into an additional billet...
 
 
#136 | Mar 28, 2022
David’s father has three sons: Snap, Crackle, and ________?What is the first letter of the name?
 
 
#135 | Mar 26, 2022
How can you walk 1 mile north, 1 mille west, 1 mile south, and end up where you started?What letter this location would start from?
 
 
#134 | Mar 25, 2022
Three guests check into a hotel. They decide to share a room, which they are told will cost $30 for the night. Each guest pays $10 and they go up to their room. However, a short time later, the night ...
 
 
#133 | Mar 25, 2022
A great craftsman created a beautiful chessboard for a king, who was so impressed he asked the craftsman to name his price. The craftsman said he wanted to be paid “only a few grains of rice,” in this...
 
 
#132 | Mar 23, 2022
Suppose, you have two lengths of rope, and you know that each of them will take exactly one hour to burn. However, the rope varies in thickness and some parts may burn at different speeds, so half of ...
 
 
#131 | Mar 22, 2022
There are two sisters. One gives birth to the other, and she in turn gives birth to the first. What are the first letters in the names of the sisters?
 
 
#130 | Mar 21, 2022
This shape can be divided into 4 smaller congruent parts all of which are similar to this big one. Congruent parts can be mirrored. How many mirrored parts to the original big one will be there after...
 
 
#129 | Mar 21, 2022
What has four legs in the morning, two legs in the afternoon, and three legs in the evening?What letter the answer would most probably start with?
 
 
#128 | Mar 19, 2022
This shape can be divided into 4 smaller congruent parts all of which are similar to this big one.How many straight cuts would you need for this?
 
 
#127 | Mar 18, 2022
This shape can be divided into 4 smaller congruent parts all of which are similar to this big one.How many straight cuts would you need for this?
 
 
#126 | Mar 18, 2022
It’s possible to arrange digits 1 through 9 along the sides of a triangle so that the numbers along each side add up to 20.How many unique solutions exist?
 
 
#125 | Mar 16, 2022
What is the area of the shaded part?
 
 
#124 | Mar 15, 2022
What is the area of the shaded part?
 
 
#123 | Mar 15, 2022
What is the area of the shaded part?
 
 
#122 | Mar 14, 2022
A bag contains either a red ball or a blue ball. A red ball is then dropped into the bag, so now the bag has 2 balls.A drawing is held, and a red ball is drawn out of the bag. What’s the probability o...
 
 
#121 | Mar 14, 2022
With only one cut it is possible to divide this shape into two congruent pieces (identical in size and shape).How many straight segments would such a cut consist of?
 
 
#120 | Mar 12, 2022
Place 6 glasses on a table - 3 up, 3 down. Take any pair of glasses and invert them. If you continue to invert the pairs as long as you like, will you ever end up with all six glasses upright?

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We’ve gathered a collection of the most “classic” brainteasers which survived through years and continents. We’ve added visuals and some options for your convenience to solve them online. You will recognize a lot of them, though some of these brain teaser puzzles can happen to appear rather “new” to you due to the twist(s) in their particular interpretation(s).


Among the brain teasers in this collection you will find lateral thinking puzzles, visual puzzles, spatial puzzles, lateral thinking puzzles, logic puzzles and much more.


A good portion is about math riddles. A bunch of geometry puzzles.


Among the best brain teaser puzzles you would find such classics as:

- Eight Queens Puzzle

- A Chessboard and Grains of Rice

- Hotel Guests and Extra $1

- The 1st Riddle of the Sphinx

- The 2nd Riddle of the Sphinx

- Six Glasses Problem

- Dissecting a Horseshoe

- The Wolf, Goat and Cabbage Challenge


Enjoy both the solving and the recognition processes of these “good old” mind puzzlers!