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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Calculate the number 650

NUMBERMANIA: Calculate the number 650 using numbers [9, 4, 2, 6, 16, 754] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 4
The first user who solved this task is Nílton Corrêa De Sousa.
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#brainteasers #math #numbermania
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Find number abc

If 47aba - a90cb = 2c04c find number abc. Multiple solutions may exist.
Correct answers: 12
The first user who solved this task is Nasrin 24 T.
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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: 11
The first user who solved this task is Nasrin 24 T.
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#brainteasers #mastermind

In what aisle could I find the Polish...

"In what aisle could I find the Polish sausage?" a guy asks.
The clerk looks at him and says, "Are you Polish?"
The guy (clearly offended) says, "Well, yes I am. But let me ask you something. If I had asked for Italian sausage, would you ask me if I was Italian? Or if I had asked for German Bratwurst, would you ask me if I was German? Or if I asked for a kosher hot dog would you ask me if I was Jewish? Or if I had asked for a Taco, would you ask if I was Mexican? If I asked for some Irish whiskey, would you ask if I was Irish?"
The clerk says, "Well, no, I probably wouldn't!"
With deep self-righteous indignation, the guy says, "Well then, why did you ask me if I'm Polish because I asked for Polish sausage?"
The clerk replied, "Because you're in Home Depot."
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Calculate the number 2432

NUMBERMANIA: Calculate the number 2432 using numbers [5, 6, 7, 7, 30, 158] 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.
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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 (3, 4, 10, 14, 15, 21, 33, 42, 70, 71, 77, 88) 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 Nasrin 24 T.
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#brainteasers #math #magicsquare
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Find number abc

If cac69 + 89cc6 = 1a1b05 find number abc. Multiple solutions may exist.
Correct answers: 17
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: 18
The first user who solved this task is Nasrin 24 T.
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#brainteasers #mastermind
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Calculate the number 1157

NUMBERMANIA: Calculate the number 1157 using numbers [8, 5, 8, 3, 77, 801] 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.
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#brainteasers #math #numbermania
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Find number abc

If 7bb49 - 2249a = 5c85b find number abc. Multiple solutions may exist.
Correct answers: 16
The first user who solved this task is Nílton Corrêa De Sousa.
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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: 23
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #mastermind
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NUMBERMANIA: Calculate the number 650 using numbers [9, 4, 2, 6, 16, 754] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
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William Hewlett

Born 20 May 1913; died 12 Jan 2001 at age 87.William Redington Hewlett was an American electrical engineer who co-founded the Hewlett-Packard Company, a leading manufacturer computers, computer printers, and analytic and measuring equipment. In 1939, he formed a partnership known as Hewlett-Packard Company with David Packard, a friend and Stanford classmate. (The order of their names was determined by a coin toss.) HP's first product was an audio oscillator based on a design developed by Hewlett when he was in graduate school. Eight were sold to Walt Disney for Fantasia. Lesser-known early products were: bowling alley foul-line indicator, automatic urinal flusher, weight-loss shock machine. The company began with $538 intial capital, and its first production facility was a small garage in Palo Alto.
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