Daily Brain Teasers for Friday, 25 October 2024
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puzzles, riddles, mathematical problems, word games, mastermind, cinemania, music, stereograms, ... |
Calculate the number 9926
NUMBERMANIA: Calculate the number 9926 using numbers [5, 9, 8, 6, 56, 654] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
#brainteasers #math #numbermania
MAGIC SQUARE: Calculate A-B*C
The aim is to place the some numbers from the list (1, 6, 10, 12, 14, 17, 19, 21, 23, 25, 66, 92) 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.
#brainteasers #math #magicsquare
Find number abc
If b9c6a - baaba = 9cca find number abc. Multiple solutions may exist.
#brainteasers #math
Wife and girlfriend
The other day I came home from work and my wife was sitting on the couch with my girlfriend.
Stunned, I asked, "What's going on here?"
My wife replied, "You tell me."
I told her, "It looks like you're sitting here with some total stranger."
My girlfriend stood up and said, "Stranger? We've been sleeping together for months!"
I turned to my wife and asked, "My God, is this true?"
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.
#brainteasers #mastermind
Waldemar HaffkineDied 25 Oct 1930 at age 70 (born 15 Mar 1860).Waldemar Mordecai Wolfe Haffkine was a Russian-British bacteriologist whoworkedto reduce deaths by cholera. He worked under Émile Roux at the Pasteur Institute in Paris, taking a particular interest in cholera, since epidemics were frequent in Europe. In 1892, he prepared an attenuated strain of cholera culture. He believed in its safely and he tested it on himself after self-injecting a concentrated strain. In 1893, he went to India, where he inoculated 45,000 people to protect them against endemic cholera, despite difficult working conditions, a suspicious population, even with opposition from British medical officials. He reduced the death rate by 70% among those inoculated. He also attempted to produce a vaccine against the plague. |
Calculate the number 1568
NUMBERMANIA: Calculate the number 1568 using numbers [8, 7, 7, 7, 97, 136] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
#brainteasers #math #numbermania
Find number abc
If 9ab6c - a56c6 = 21a18 find number abc. Multiple solutions may exist.
#brainteasers #math
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.
#brainteasers #mastermind
Calculate the number 7263
NUMBERMANIA: Calculate the number 7263 using numbers [5, 5, 4, 6, 69, 561] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
#brainteasers #math #numbermania
MAGIC SQUARE: Calculate A*B*C
The aim is to place the some numbers from the list (6, 7, 9, 10, 15, 18, 19, 28, 31, 32, 38, 96) 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.
#brainteasers #math #magicsquare
Find number abc
If c42a9 + b0b1b = 11489c find number abc. Multiple solutions may exist.
#brainteasers #math
