BRAIN TEASERS
Monthly Archive - May 2019

Monthly Archive - May 2019

brain teasers, puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 1 to 10.
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Calculate the number 3366

NUMBERMANIA: Calculate the number 3366 using numbers [8, 5, 8, 5, 77, 696] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 15
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 (4, 7, 8, 9, 10, 13, 15, 16, 67, 69, 70, 81) 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: 17
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 703ab + 7177c = 14b15a find number abc. Multiple solutions may exist.
Correct answers: 30
The first user who solved this task is Nasrin 24 T.
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#brainteasers #math

A housewife with three young c...

A housewife with three young children was getting dinner ready when the phone rang. The six-year-old picked it up and said, "Hi, Daddy!" and she began telling him about her day.
She then passed the phone to her brother and sister as was the custom whenever Daddy called from work.
When it was finally the wife's turn to talk she took the receiver and said, "Hi, honey."
"Thank goodness, lady," the voice on the other end replied. "I just called to tell you that the wallpaper you ordered is here!"
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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 Nílton Corrêa De Sousa.
CHECK ANSWER
#brainteasers #mastermind
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Calculate the number 1257

NUMBERMANIA: Calculate the number 1257 using numbers [6, 4, 9, 3, 54, 264] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 18
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 6baaa - bbcc8 = 977c find number abc. Multiple solutions may exist.
Correct answers: 37
The first user who solved this task is Nílton Corrêa De Sousa.
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 329

NUMBERMANIA: Calculate the number 329 using numbers [2, 3, 8, 8, 77, 228] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 16
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 (17, 18, 20, 21, 27, 28, 38, 46, 49, 56, 83) 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: 16
The first user who solved this task is Nílton Corrêa De Sousa.
CHECK ANSWER
#brainteasers #math #magicsquare
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Find number abc

If b007b + 2a55c = aa625 find number abc. Multiple solutions may exist.
Correct answers: 36
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #math
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Charles Richard Drew

Died 1 Apr 1950 at age 45 (born 3 Jun 1904). Black-American physician and surgeon who was an authority on the preservation of human blood for transfusion. He organized and directed the blood-plasma programs of the United States and Great Britain in the early years of World War II, while also agitating the authorities to stop excluding the blood of blacks from plasma-supply networks. His death resulted from a car accident.
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