Daily Brain Teasers for Sunday, 08 January 2023
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puzzles, riddles, mathematical problems, word games, mastermind, cinemania, music, stereograms, ... |
Find number abc
If 20b25 - b3b0a = a0bc find number abc. Multiple solutions may exist.
#brainteasers #math
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.
#brainteasers #mastermind
Calculate the number 4154
NUMBERMANIA: Calculate the number 4154 using numbers [3, 2, 6, 2, 45, 814] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
#brainteasers #math #numbermania
Worries While Flying
Two statisticians were travelling in an airplane from LA to New York. About an hour into the flight, the pilot announced that they had lost an engine, but don't worry, there are three left.
However, instead of 5 hours it would take 7 hours to get to New York. A little later, he announced that a second engine failed, and they still had two left, but it would take 10 hours to get to New York.
Somewhat later, the pilot again came on the intercom and announced that a third engine had died. Never fear, he announced, because the plane could fly on a single engine.
However, it would now take 18 hours to get to new York. At this point, one statistician turned to the other and said, "Gee, I hope we don't lose that last engine, or we'll be up here forever!"
However, instead of 5 hours it would take 7 hours to get to New York. A little later, he announced that a second engine failed, and they still had two left, but it would take 10 hours to get to New York.
Somewhat later, the pilot again came on the intercom and announced that a third engine had died. Never fear, he announced, because the plane could fly on a single engine.
However, it would now take 18 hours to get to new York. At this point, one statistician turned to the other and said, "Gee, I hope we don't lose that last engine, or we'll be up here forever!"
MAGIC SQUARE: Calculate A+B*C
The aim is to place the some numbers from the list (10, 11, 13, 14, 18, 21, 69, 70, 73, 74, 77, 91) 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
Joesph WeizenbaumBorn 8 Jan 1923; died 5 Mar 2008 at age 85. German engineer and computer scientist who is remembered for devising the computer program known as Eliza, which could mimic human conversation, in written communication, giving the user responses resembling an empathetic psychologist. It was named after the character in the play My Fair Lady, Eliza Doolittle. While a boy, he emigrated to the U.S. in the mid-1930s with his parents who were fleeing Nazi persecution of Jews in Germany. His career in computing led in 1955 to joining the team at General Electric that created the first computer system designed for banking applications. By 1976, in his book, Computer Power and Human Reason: From Judgment to Calculation, he was questioning what limits should be adopted in the implentation of artificial intelligence in computers.« |
Find number abc
If c9cac - 4c937 = 13c6b find number abc. Multiple solutions may exist.
#brainteasers #math
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
Calculate the number 9737
NUMBERMANIA: Calculate the number 9737 using numbers [9, 6, 4, 7, 79, 671] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
#brainteasers #math #numbermania
Find number abc
If 80a33 - 77bb1 = aaca find number abc. Multiple solutions may exist.
#brainteasers #math
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
Calculate the number 2758
NUMBERMANIA: Calculate the number 2758 using numbers [4, 8, 8, 8, 73, 726] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
#brainteasers #math #numbermania
