BRAIN TEASERS
The Most Difficult Tasks

The Most Difficult Tasks

puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 1 to 10.
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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: 0
CHECK ANSWER
#brainteasers #mastermind
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Calculate the number 3231

NUMBERMANIA: Calculate the number 3231 using numbers [4, 9, 5, 4, 36, 344] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 0
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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 (12, 13, 14, 19, 20, 21, 35, 39, 61, 62, 63, 95) 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

Complaining about price of cinema food

If I had a dollar every time a customer complained about the price of cinema food.

I could almost afford a small popcorn.

Author:EdgarWronged on reddit

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

If 3b88b + bcaab = cbbb0 find number abc. Multiple solutions may exist.
Correct answers: 0
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#brainteasers #math
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Find number abc

If 5a9c9 - 24161 = ccaab find number abc. Multiple solutions may exist.
Correct answers: 0
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#brainteasers #math
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MAGIC SQUARE: Calculate A+B*C

The aim is to place the some numbers from the list (5, 6, 11, 29, 30, 35, 38, 59, 68, 69, 74) 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 90a36 + c7c51 = 17cbc7 find number abc. Multiple solutions may exist.
Correct answers: 0
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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: 0
CHECK ANSWER
#brainteasers #mastermind
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Calculate the number 9583

NUMBERMANIA: Calculate the number 9583 using numbers [9, 7, 4, 2, 24, 734] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 0
CHECK ANSWER
#brainteasers #math #numbermania
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Find number abc

If c7bca + 8b558 = aa7589 find number abc. Multiple solutions may exist.
Correct answers: 0
CHECK ANSWER
#brainteasers #math
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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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John R. Whinnery

Born 26 Jul 1916.John Roy Whinnery is an American electrical engineer known for his work on microwave theory and laser experimentation. He worked on the problem of He-Ne laser modulation, the transmission of laser light for optical communication and photo thermal effects. Later he changed his research field to quantum electronics and opto-electronics. He co-authored the classic textbook, Fields and Waves in Communication Electronics, before he had a doctoral degree while working 6 days a week in microwaves at General Electric during WW II. His current research interest is communications applications of lasers, with emphasis on short-pulse phenomena.
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