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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MAGIC SQUARE: Calculate A+B*C

The aim is to place the some numbers from the list (2, 4, 11, 12, 13, 14, 15, 21, 22, 38, 62, 69) 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: 0
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#brainteasers #math #magicsquare
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Find number abc

If c5a57 - bc0ab = ba5c3 find number abc. Multiple solutions may exist.
Correct answers: 2
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#brainteasers #math
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Calculate the number 5157

NUMBERMANIA: Calculate the number 5157 using numbers [2, 8, 5, 9, 24, 707] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 1
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#brainteasers #math #numbermania

A Texas cowboy went to the den...

A Texas cowboy went to the dentist with a toothache. After an exam, the dentist told the cowboy he had a tooth that had to come out.
"I'm going to give you a shot of Novocain," the dentist explained, "and I'll be back in just a few minutes."
The old cowboy grabbed the doc's arm and said, "No way! I hate needles and I ain't havin' no shot!"
The dentist said, "That's ok, we'll just go with gas instead."
The cowboy replied, "Gas makes me sick! I ain't havin' no gas either!"
Without saying a word, the dentist turned and left the room for a minute, and when he came back, he handed the cowboy a glass of water and said, "Here, take this pill."
The cowboy looked at the pill and asked, "What is it?"
The dentist replied, "It's Viagra."
The old cowboy looked surprised and asked, "Will that kill the pain?"
"No," replied the dentist, "but it'll give you something to hang on to while I pull that tooth."
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Find number abc

If 5ac24 - 42b32 = ccb2 find number abc. Multiple solutions may exist.
Correct answers: 2
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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: 4
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#brainteasers #mastermind
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Calculate the number 6961

NUMBERMANIA: Calculate the number 6961 using numbers [1, 5, 9, 7, 74, 536] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 1
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#brainteasers #math #numbermania
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MAGIC SQUARE: Calculate A-B+C

The aim is to place the some numbers from the list (18, 19, 20, 27, 28, 29, 31, 32, 33) 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: 1
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#brainteasers #math #magicsquare
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Find number abc

If ac2a4 + 65c43 = b44bba find number abc. Multiple solutions may exist.
Correct answers: 3
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#brainteasers #math
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Which is a winning combination of digits?

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: 2
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#brainteasers #mastermind
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Calculate the number 4090

NUMBERMANIA: Calculate the number 4090 using numbers [8, 6, 6, 8, 47, 628] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 2
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#brainteasers #math #numbermania
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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.
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Sir John Evans

Died 31 May 1908 at age 84 (born 17 Nov 1823).British antiquarian, numismatist, and a founder of prehistoric archaeology. In about 1860, he began his searches for relics of early man in Britain. He garnered a notable collection of prehistoric stone and bronze implements. Evans found humanly made stone axes in the same layers as the bones of extinct European animals like hippopotamus, elephant, and saber-toothed tiger. In 1859, from such evidence, he announced that humans had lived much earlier than 6,000 years ago. This was much older than the long accepted Biblical chronology implied. Evans also collected coins of the ancient Britons, Romans and Anglo-Saxons. His son Sir Arthur (John) Evans followed his interests as an archaeologist.
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