BRAIN TEASERS
Brain Teasers (page 177)

Brain Teasers (page 177)

puzzles, riddles, mathematical problems, word games, mastermind, cinemania, music, sport... These are the tasks listed 1761 to 1770.
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Find number abc

If 87c7a - 8c824 = cbb2 find number abc. Multiple solutions may exist.
Correct answers: 21
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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: 9
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#brainteasers #mastermind
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Calculate the number 958

NUMBERMANIA: Calculate the number 958 using numbers [4, 3, 9, 6, 31, 552] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 16
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#brainteasers #math #numbermania

Jimmie, an 80-year-old gentlem...

Jimmie, an 80-year-old gentleman, retired to Florida after his wife of 58 years had passed away. He was quite alone in the world and longed for companionship. One day, as he was walking through a public park, he spied what he considered to be a very pretty silver-haired lady sitting alone on a park bench. Getting his nerve up, he approached the lady and asked graciously, "Pardon me, ma'am, but may I sit here with you."
The silver-haired Marcia looked up to see a distinguished looking white-haired gentleman and replied, "Why certainly," and scooted over gently to give him room to sit down.
For the next two hours the two sat and talked about everything. They discovered that they came from the same part of the country, liked the same big band music, voted for the same presidential candidates, had long happy marriages and lost their spouses in the last year, and in general agreed about almost everything.
Finally, the old gentleman cleared his throat and asked sheepishly, "Ma' am, may I ask you two questions?"
With great anticipation Marcia replied, "Why certainly!"
The old gentleman removed a handkerchief from his coat pocket and spread it out on the ground before her. He very gingerly got down on one knee and looked her softly in the eyes.
"Marcia, I know we've only known each other for a couple of hours, but we have so much in common. I feel I have known you all my life. Will you marry me and be my wife?"
Marcia grabbed at Jimmie's hands and said, "Why, yes, I will marry you! You have made me so very happy!"
She reached over and kissed him gently on the cheek. Then Marcia said, "You said you had two questions to ask me. What is the second question?"
Jimmie scratched his neck and said, "Will you help me get up?"
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 (5, 9, 10, 16, 20, 21, 22, 26, 27, 40) 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: 11
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 caa3c - 5ab5a = 4b187 find number abc. Multiple solutions may exist.
Correct answers: 16
The first user who solved this task is Nasrin 24 T.
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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: 20
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #mastermind
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Calculate the number 5225

NUMBERMANIA: Calculate the number 5225 using numbers [5, 3, 1, 6, 25, 656] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 9
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #math #numbermania
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Find number abc

If 30843 - a0a4c = 20c9b find number abc. Multiple solutions may exist.
Correct answers: 18
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: 25
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #mastermind
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Calculate the number 1007

NUMBERMANIA: Calculate the number 1007 using numbers [1, 2, 2, 3, 69, 870] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 13
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #math #numbermania
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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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Thomas Hunt Morgan

Born 25 Sep 1866; died 4 Dec 1945 at age 79. American geneticist and zoologist famous for his experimental research with the fruit fly by which he established the chromosome theory of heredity. He discovered that a number of genetic variations were inherited together and that this was because their controlling genes occurred on the same chromosome. At Columbia University (1904-28), he began his revolutionary genetic investigations of the fruit fly Drosophila melanogaster (1908). Initially skeptical of Gregor Mendel's research, Morgan performed rigorous experiments which demonstrated that genes were linked in a series on chromosomes and are responsible for identifiable, hereditary traits. In 1910 he discovered sex-linkage in Drosophila, and postulated a connection between eye color in fruit flies and human color blindness. His study of the characteristics inherited by mutants ultimately enabled him to determine the precise behaviour and exact localization of genes. Morgan and his "fly room" colleagues, mapped the relative positions of genes on Drosophila chromosomes. Morgan published his seminal book, The Mechanisms of Mendelian Heredity in 1915. Though this work was not widely accepted initially, Morgan was awarded a Nobel Prize for physiology or medicine in 1933.
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