BRAIN TEASERS
Brain Teasers

Brain Teasers

puzzles, riddles, mathematical problems, word games, mastermind, cinemania, music, sport... These are the tasks listed 1 to 10.
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Find number abc

If c7aac + 913a3 = 1b8cb8 find number abc. Multiple solutions may exist.
Correct answers: 7
The first user who solved this task is Nasrin 24 T.
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#brainteasers #math
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What a winning combination?

The computer chose a secret code (sequence of 4 digits from 1 to 6). Your goal is to find that code. Black circles indicate the number of hits on the right spot. White circles indicate the number of hits on the wrong spot.
Correct answers: 6
The first user who solved this task is Nílton Corrêa de Sousa.
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#brainteasers #mastermind
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Calculate the number 3112

NUMBERMANIA: Calculate the number 3112 using numbers [8, 7, 6, 6, 60, 402] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 5
The first user who solved this task is Nílton Corrêa de Sousa.
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#brainteasers #math #numbermania

Playing Golf with God

Three men were playing golf. The course was a wicked dogleg with a large water hazard.
The first man stepped up to the tee and hit a sharp slice into the water hazard. He walked up to the water; it parted and he lofted his ball within one foot of the hole.
The next man steped up and hit the ball. Sure enough, he sliced it so that it landed on top of the water. He walked across the surface of the water and and hit the ball within six inches of the hole.The third man stepped up, hit the ball, and sliced it. The ball was just about to land in the water when a trout jumped out of the water and grabbed it in his mouth. An eagle swooped down, scooped up the fish, and flew off. As the eagle banked over the green, lightning struck it, it dropped the fish, the fish dropped the ball, and it landed in the hole for a hole in one.
Moses turned to Jesus and said, "I really hate playing golf with your Dad."

Jokes of the day - Daily updated jokes. New jokes every day.
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Find number abc

If 759ab - cc620 = ababb find number abc. Multiple solutions may exist.
Correct answers: 10
The first user who solved this task is Nílton Corrêa de Sousa.
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#brainteasers #math
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What a winning combination?

The computer chose a secret code (sequence of 4 digits from 1 to 6). Your goal is to find that code. Black circles indicate the number of hits on the right spot. White circles indicate the number of hits on the wrong spot.
Correct answers: 12
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #mastermind
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Calculate the number 6205

NUMBERMANIA: Calculate the number 6205 using numbers [6, 9, 9, 5, 45, 700] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 8
The first user who solved this task is Nílton Corrêa de Sousa.
CHECK ANSWER
#brainteasers #math #numbermania
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MAGIC SQUARE: Calculate A+B-C

The aim is to place the some numbers from the list (3, 4, 5, 16, 17, 18, 21, 32, 33, 34) into the empty squares and squares marked with A, B an C. Sum of each row and column should be equal. All the numbers of the magic square must be different. Find values for A, B, and C. Solution is A+B-C.
Correct answers: 8
The first user who solved this task is Nílton Corrêa de Sousa.
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#brainteasers #math #magicsquare
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Find number abc

If b4c4a + 5a066 = 1a7a09 find number abc. Multiple solutions may exist.
Correct answers: 18
The first user who solved this task is Nasrin 24 T.
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#brainteasers #math
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Find the right combination

The computer chose a secret code (sequence of 4 digits from 1 to 6). Your goal is to find that code. Black circles indicate the number of hits on the right spot. White circles indicate the number of hits on the wrong spot.
Correct answers: 19
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #mastermind
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Calculate the number 989

NUMBERMANIA: Calculate the number 989 using numbers [5, 2, 5, 7, 40, 882] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 7
The first user who solved this task is Nílton Corrêa de Sousa.
CHECK ANSWER
#brainteasers #math #numbermania
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Genetically altered vaccine approved

In 1986, the FDA licensed production of a new Hepatitis B vaccine - the first recombinant DNA (genetically altered) vaccine - by Merck & Co., marketed as RecombivaxHB. This superceded the old method of making Hepatitis B vaccines from blood taken from human chronic hepatitis B virus carriers.
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