BRAIN TEASERS
Monthly Archive - February 2020 (page 3)

Monthly Archive - February 2020 (page 3)

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

If 38034 + b5aa3 = c33ab7 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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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: 28
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #mastermind
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Calculate the number 1114

NUMBERMANIA: Calculate the number 1114 using numbers [2, 7, 1, 7, 83, 180] 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

Birthday

Dad: - What do you want for your birthday?
Son: - I want a remote control car dad.
Dad: - Say no more son.
Jokes of the day - Daily updated jokes. New jokes every day.
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MAGIC SQUARE: Calculate A+B-C

The aim is to place the some numbers from the list (8, 9, 14, 24, 25, 30, 45, 46, 51, 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: 10
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #math #magicsquare
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Find number abc

If 4a234 + 40cb3 = 8aa0b find number abc. Multiple solutions may exist.
Correct answers: 28
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: 20
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #mastermind
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Calculate the number 432

NUMBERMANIA: Calculate the number 432 using numbers [4, 7, 7, 2, 24, 355] 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.
CHECK ANSWER
#brainteasers #math #numbermania
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Find number abc

If b08c6 - b03a6 = b70 find number abc. Multiple solutions may exist.
Correct answers: 21
The first user who solved this task is Nílton Corrêa de Sousa.
CHECK ANSWER
#brainteasers #math
[link]

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: 19
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #mastermind
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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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