Daily Brain Teasers for Sunday, 17 August 2025
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puzzles, riddles, mathematical problems, word games, mastermind, cinemania, music, stereograms, ... |
Find number abc
If cab78 - ba3b6 = b99cb 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 7299
NUMBERMANIA: Calculate the number 7299 using numbers [8, 3, 6, 6, 35, 645] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
#brainteasers #math #numbermania
A brunette who really hated bl...
A brunette who really hated blondes was walking through the desert when she came across a magic lamp. After rubbing the lamp the genie told her that she got three wishes with one catch: All the blondes in the world would get twice whatever she asked for. So the brunette thought a while and then wished for a million dollars.
'Every blonde in the world will get two million.' The brunette said that was fine and then she asked for an incredibly handsome man.
'Every blonde in the world will get two incredibly handsome men.'
The brunette said that was fine too and the genie granted her wishes. 'Now for your third wish.' said the genie.
'See that stick over there?', asked the brunette, 'I want you to beat me half to death with it.'
MAGIC SQUARE: Calculate A+B+C
The aim is to place the some numbers from the list (7, 14, 17, 18, 27, 30, 31, 48, 51, 52) 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
Johannes Nikolaus TetensDied 17 Aug 1807 at age 70 (born 16 Sep 1736).German natural philosopher whose empirical approach strongly influenced the work of Immanuel Kant, and later in his life, Tetens became interested in mathematics, especially in actuarial applications. From 1760, as a teacher of natural philosophy he wrote on diverse topics but later began the development of the field of developmental psychology in Germany. He wrote Philosophische Versuche über die menschliche Natur und ihre Entwickelung (1777) on the origin and structure of knowledge. He changed career after 1789 to the civil service during which time he pursued mathematics. As a statistician he produced an Introduction to the Calculation of Life Annuities (1785) and On the Tetens Mortality Curve (1785).« |
Find number abc
If ca903 + cab90 = b65093 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 1030
NUMBERMANIA: Calculate the number 1030 using numbers [6, 9, 7, 7, 11, 169] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
#brainteasers #math #numbermania
Find number abc
If a4cb7 + cb877 = 45a84 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 2032
NUMBERMANIA: Calculate the number 2032 using numbers [8, 4, 6, 4, 36, 410] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
#brainteasers #math #numbermania
