BRAIN TEASERS
Monthly Archive - October 2019 (page 3)

Monthly Archive - October 2019 (page 3)

brain teasers, puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 21 to 30.
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Calculate the number 1644

NUMBERMANIA: Calculate the number 1644 using numbers [5, 5, 8, 8, 34, 281] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 13
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 (5, 7, 13, 30, 32, 38, 55, 57, 63, 85, 89) 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: 20
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #math #magicsquare
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Find number abc

If a1b3b + 2c8bc = 7883a find number abc. Multiple solutions may exist.
Correct answers: 25
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #math

The best kind of people are

The best kind of people are the ones that come into your life and make you see sun where you once saw clouds. The people that believe in you so much, you start to believe in you too. The people that love you simply for being you. The once in a lifetime kind of people.
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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: 24
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #mastermind
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Calculate the number 3197

NUMBERMANIA: Calculate the number 3197 using numbers [8, 9, 4, 5, 82, 233] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 9
The first user who solved this task is Nílton Corrêa de Sousa.
CHECK ANSWER
#brainteasers #math #numbermania
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Find number abc

If b7c80 + 792a5 = c2abb5 find number abc. Multiple solutions may exist.
Correct answers: 23
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#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: 21
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #mastermind
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Calculate the number 8437

NUMBERMANIA: Calculate the number 8437 using numbers [4, 9, 6, 7, 72, 578] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 11
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 (8, 10, 15, 18, 20, 25, 34, 43, 45, 50, 70) 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: 15
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #math #magicsquare
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Find number abc

If 75377 - 60a06 = cbb7c find number abc. Multiple solutions may exist.
Correct answers: 25
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #math
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Rear-Admiral Dennis Cambell

Born 13 Nov 1907; died 6 Apr 2000 at age 92.English naval aviator, test pilot and inventor of the angled flight deck which gives pilots a second chance when landing on an aircraft carrier. Like any great invention, this idea was outstandingly simple. Without it, pilots landing on a straight deck depended on his plane's tail-hook catching a steel arrester wire across the flight deck to stop before crashing into the barrier and aircraft parked at the far end. Cambell's idea meant that aircraft which failed to stop had a clear escape and could "bolt" under reapplied throttle over the port bow. The US Navy first adopted the idea and made such structural alterations to the carrier Antietam. The British Admiralty, impressed by that ship's field tests, then converted their new large carrier Ark Royal and appointed Cambell as Captain.
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