Daily Brain Teasers for Tuesday, 23 December 2025
|
puzzles, riddles, mathematical problems, word games, mastermind, cinemania, music, stereograms, ... |
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 2085
NUMBERMANIA: Calculate the number 2085 using numbers [2, 6, 5, 6, 87, 790] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
#brainteasers #math #numbermania
Find number abc
If 76a67 - b5a62 = c1aa5 find number abc. Multiple solutions may exist.
#brainteasers #math
When an escaped pris...
“When an escaped prisoner was caught camping out in the woods it was a clear case of criminal in tent.”
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
Anthony Herman Gerard FokkerDied 23 Dec 1939 at age 49 (born 6 Apr 1890).Dutch-American airman and pioneer aircraft manufacturer who, having seen an airplane flight at age 16, was inspired to build his first airplane by age 20. This was a braced monoplane, the Spider he put assembled in an empty Zeppelin hangar in Baden-Baden, and flying it gained his pilot's licence. His first factory built many of Germany's WW I pursuit aircraft, and gained recognition, but at the end of the war was put out of business there by the treaty of Versailles. On 21 Jul 1919, he established a company for civil aircraft, in the Netherlands and subsequently started manufacturing in the U.S. He continued to influence airplane construction techniques, and adopted welded-steel tubing fusulage construction.« |
Calculate the number 5172
NUMBERMANIA: Calculate the number 5172 using numbers [1, 6, 4, 2, 45, 816] 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, 6, 8, 20, 21, 23, 24, 65, 66, 68, 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 1bcca + 4bba5 = cb587 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 3828
NUMBERMANIA: Calculate the number 3828 using numbers [3, 1, 3, 8, 90, 336] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
#brainteasers #math #numbermania
Find number abc
If 4c7b7 - c7ca2 = b4b5 find number abc. Multiple solutions may exist.
#brainteasers #math
