BRAIN TEASERS
The Most Difficult Tasks (page 209)

The Most Difficult Tasks (page 209)

puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 2081 to 2090.
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MAGIC SQUARE: Calculate A+B-C

The aim is to place the some numbers from the list (7, 9, 12, 13, 14, 18, 22, 24, 28, 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: 13
The first user who solved this task is Nasrin 24 T.
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#brainteasers #math #magicsquare
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Calculate the number 1574

NUMBERMANIA: Calculate the number 1574 using numbers [6, 5, 3, 4, 98, 243] 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.
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#brainteasers #math #numbermania
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Calculate the number 3038

NUMBERMANIA: Calculate the number 3038 using numbers [2, 3, 9, 8, 74, 624] 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

This blonde decides one day th...

This blonde decides one day that she is sick and tired of all these blonde jokes and how all blondes are perceived as stupid, so she decides to show her husband that blondes really are smart. While her husband is off at work, she decides that she is going to paint a couple of rooms in the house.
The next day, right after her husband leaves for work, she gets down to the task at hand. Her husband arrives home at 5:30 and smells the distinctive smell of paint. He walks into the living room and finds his wife lying on the floor in a pool of sweat. He notices that she is wearing a ski jacket and a fur coat at the same time.
He goes over and asks her if she is OK. She replies yes. He asks what she is doing. She replies that she wanted to prove to him that not all blonde women are dumb and she wanted to do it by painting the house. He then asks her why she has a ski jacket over her fur coat. She replies that she was reading the directions on the paint can and they said....
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Calculate the number 344

NUMBERMANIA: Calculate the number 344 using numbers [3, 6, 4, 9, 48, 627] 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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MAGIC SQUARE: Calculate A*B-C

The aim is to place the some numbers from the list (4, 5, 12, 14, 21, 22, 29, 68, 69, 76) 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: 13
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #math #magicsquare
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Calculate the number 1566

NUMBERMANIA: Calculate the number 1566 using numbers [9, 6, 2, 1, 46, 229] 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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Calculate the number 672

NUMBERMANIA: Calculate the number 672 using numbers [8, 5, 8, 3, 64, 199] 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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MAGIC SQUARE: Calculate A*B*C

The aim is to place the some numbers from the list (5, 8, 9, 18, 21, 22, 30, 33, 34, 44, 52, 93) 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: 13
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #math #magicsquare
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Calculate the number 5648

NUMBERMANIA: Calculate the number 5648 using numbers [9, 1, 3, 9, 68, 498] 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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Calculate the number 3939

NUMBERMANIA: Calculate the number 3939 using numbers [1, 4, 6, 6, 13, 989] 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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Richard E(dwin) Shope

Died 2 Oct 1966 at age 64 (born 25 Dec 1901).American animal pathologist and virologist who was first to isolate an influenza virus, first to vaccinate animals against influenza, and first to identify (1928) the causative agent as a virus in the 1918-19 Spanish influenza pandemic. The laboratory and field studies he made of viruses in animals provided knowledge in protecting both animals and humans against viruses. He researched cancerous tumors in animals. In studying the role of mosquitoes as carriers of sleeping sickness disease, he caught the potentially fatal disease himself from them. Fortunately, he recovered completely (one of the few who did so without permanent brain damage). His co-worker, Dr. Delphine Clark, recovered "live virus" from his blood, the first to be taken from a live human.«
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