BRAIN TEASERS
Monthly Archive - December 2019 (page 2)

Monthly Archive - December 2019 (page 2)

brain teasers, puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 11 to 20.
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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: 16
The first user who solved this task is Nasrin 24 T.
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#brainteasers #mastermind
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Calculate the number 8661

NUMBERMANIA: Calculate the number 8661 using numbers [2, 5, 8, 8, 22, 849] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 11
The first user who solved this task is NĂ­lton CorrĂȘa 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, 13, 15, 20, 21, 22, 23, 28, 31, 33, 39, 42) 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.
CHECK ANSWER
#brainteasers #math #magicsquare

A judge was interviewing a wom...

A judge was interviewing a woman regarding her pending divorce, and asked, "What are the grounds for your divorce?"
She replied, "About four acres and a nice little home in the middle of the property with a stream running by."
"No," he said, "I mean what is the foundation of this case?"
"It is made of concrete, brick and mortar," she responded.
"I mean," he continued, "What are your relations like?"
"I have an aunt and uncle living here in town, and so do my husband's parents."
He said, "Do you have a real grudge?"
"No," she replied, "We have a two-car carport and have never really needed one."
"Please," he tried again, "is there any infidelity in your marriage?"
"Yes, both my son and daughter have stereo sets. We don't necessarily like the music, but the answer to your questions is yes."
"Ma'am, does your husband ever beat you up?"
"Yes," she responded, "about twice a week he gets up earlier than I do."
Finally, in frustration, the judge asked, "Lady, why do you want a divorce?"
"Oh, I don't want a divorce," she replied. "I've never wanted a divorce. My husband does. He said he can't communicate with me!"
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Find number abc

If 69cba + 2babc = 965cc 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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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: 25
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #mastermind
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Calculate the number 6047

NUMBERMANIA: Calculate the number 6047 using numbers [2, 7, 2, 6, 34, 723] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 12
The first user who solved this task is undefined.
CHECK ANSWER
#brainteasers #math #numbermania
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Find number abc

If aaba6 - 1bcc2 = b0b5a find number abc. Multiple solutions may exist.
Correct answers: 18
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#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: 30
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #mastermind
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Calculate the number 1033

NUMBERMANIA: Calculate the number 1033 using numbers [2, 8, 5, 9, 71, 992] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 11
The first user who solved this task is Fazil Hashim.
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 (4, 6, 7, 8, 10, 11, 28, 69, 71, 72, 75) 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.
CHECK ANSWER
#brainteasers #math #magicsquare
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James Lind

Died 13 Jul 1794 at age 77 (born 4 Oct 1716). Scottish physician, “founder of naval hygiene in England,” who investigated sickness of sailors. On 20 May 1747, while a ship's surgeon on the HMS Salisbury, he began an experiment to remedy scurvy. He regulated the diets of the sailors, and especially included lemons and oranges. With a clearly positive outcome, he recommended fresh citrus fruit and lemon juice be incorporated in the diet of seamen on long voyages. When made a requirement by Sir Gilbert Blane, this resulted in the prompt eradication of scurvy from the British Navy. (The Dutch had implemented this practice almost two centuries earlier.) Lind also recommended shipboard delousing procedures and suggested the use of hospital ships for sick sailors in tropical ports. In 1761, he arranged for the shipboard distillation of seawater for drinking water.[World of Health gives birth data as 4 Oct 1716. EB gives only the year 1716.]
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