Daily Brain Teasers for Friday, 20 March 2026
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puzzles, riddles, mathematical problems, word games, mastermind, cinemania, music, stereograms, ... |
Calculate the number 6513
NUMBERMANIA: Calculate the number 6513 using numbers [8, 5, 6, 2, 16, 499] 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 (5, 14, 16, 19, 24, 26, 29, 31, 33, 36, 45) 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 a471b + c1b46 = 8666c find number abc. Multiple solutions may exist.
#brainteasers #math
I wasn't originally...
“I wasn't originally going to get a brain transplant, but then I changed my mind.”
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
Raymond CattellBorn 20 Mar 1905; died 2 Feb 1998 at age 92. Raymond Bernard Cattell was an English-American psychologist who conducted research on individual differences in cognitive abilities, personality, and motivation. For his BSc degree, he studied physics and chemistry, but turned to physholocy for his PhD. Influenced by his undergraduate training in science, he applied mathematical techniques to the study of psychology, making the discipline more objective and quantitative. Cattell became one of the world's leading personality theorists, and developed many widely used psychological tests, of which the best known is the 16 Personality Factor (16PF) personality assessment. During his life, he wrote 55 books and over 500 research papers.« |
Calculate the number 3596
NUMBERMANIA: Calculate the number 3596 using numbers [4, 5, 8, 9, 96, 690] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
#brainteasers #math #numbermania
Find number abc
If c7cba - 392ca = bc56a 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
MAGIC SQUARE: Calculate A-B*C
The aim is to place the some numbers from the list (5, 7, 8, 17, 19, 20, 34, 36, 37, 50, 63, 85) 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 b1ac9 - c99c5 = 11b04 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
