Daily Brain Teasers for Monday, 31 January 2022
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puzzles, riddles, mathematical problems, word games, mastermind, cinemania, music, stereograms, ... |
Calculate the number 787
NUMBERMANIA: Calculate the number 787 using numbers [1, 4, 8, 8, 23, 752] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
#brainteasers #math #numbermania
Find number abc
If a84ab - 7b6c4 = 27856 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
What a talent...
A family was visiting an Indian reservation when they happened upon an old tribesman lying face down in the middle of the road with his ear pressed firmly against the blacktop.
The father of the family asked the old tribeman what he was doing. The tribesman began to speak..."woman, late thirties, three kids, one barking dog in late model, white, four-door station wagon, traveling at 65 m.p.h.
"That's amazing!" exclaimed the father. "You can tell all that just by listening to the ground?"
"No," said the old tribesman, weakly. "They just ran over me five minutes ago!"
Calculate the number 2247
NUMBERMANIA: Calculate the number 2247 using numbers [3, 8, 6, 3, 44, 289] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
#brainteasers #math #numbermania
Fox Talbot photographic processIn 1839, Henry Fox Talbot read a paper before the Royal Society, London, to describe his photographic process using solar light, with an exposure time of about 20 minutes: Some Account of the Art of Photogenic Drawing or the Process by which Natural Objects may be made to Delineate Themselves without the Aid of the Artist's Pencil. He had heard that Daguerre of Paris was working on a similar process. To establish his own priority, Fox Talbot had exhibited “such specimens of my process as I had with me in town,”the previous week at a meeting of the Royal Institution, before he had this more detailed paper ready to present.« |
MAGIC SQUARE: Calculate A+B+C
The aim is to place the some numbers from the list (6, 8, 10, 11, 12, 15, 31, 33, 36, 59, 97) 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 ba3b6 + a977a = ca101 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 329
NUMBERMANIA: Calculate the number 329 using numbers [3, 6, 9, 4, 53, 175] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
#brainteasers #math #numbermania
Find number abc
If c8b0a - 1a0c1 = 8a613 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
