Daily Brain Teasers for Sunday, 12 July 2026
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puzzles, riddles, mathematical problems, word games, mastermind, cinemania, music, stereograms, ... |
Find number abc
If 8cb7b - b1cac = a1a4a 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 3015
NUMBERMANIA: Calculate the number 3015 using numbers [8, 9, 2, 7, 10, 317] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
#brainteasers #math #numbermania
A woman can always tell if
A woman can always tell if a man loves her by how much time he’s willing to invest. Money spent is meaningless, but time spent is priceless.
Find number abc
If b2b5a + aabc9 = 151307 find number abc. Multiple solutions may exist.
#brainteasers #math
Henry ThoreauBorn 12 Jul 1817; died 6 May 1862 at age 44. American author, philosopher, poet and naturalist, whose classic Walden; or, Life in the Woods has become a classic on the ecological relationship of man in an industrial society. He was a pacifist, whom Ralph Waldo Emerson would help out of trouble. Thoreau's moniker of the "Hermit of Walden" came from living in the woods around Walden pond for several years. Later in his short life, Thoreau turned his attention to observing and keeping thorough journals recording of the natural history around Concord, New Hampshire, where he was regarded as the town naturalist. Many scholars consider Henry David Thoreau to be the father of the American conservation movements. He died of tuberculosis at age 45. |
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 3990
NUMBERMANIA: Calculate the number 3990 using numbers [2, 7, 7, 2, 95, 423] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
#brainteasers #math #numbermania
Find number abc
If c1624 + 1b6b4 = 10c2ca 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 584
NUMBERMANIA: Calculate the number 584 using numbers [8, 2, 7, 2, 37, 316] 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 (3, 10, 11, 14, 18, 19, 22, 34, 35, 38, 76, 95) 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
