Daily Brain Teasers for Tuesday, 02 December 2025
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puzzles, riddles, mathematical problems, word games, mastermind, cinemania, music, stereograms, ... |
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 3316
NUMBERMANIA: Calculate the number 3316 using numbers [9, 4, 7, 7, 45, 761] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
#brainteasers #math #numbermania
Find number abc
If a02b4 + 477c0 = cb7a44 find number abc. Multiple solutions may exist.
#brainteasers #math
Little Pete came home from the...
Little Pete came home from the playground with a bloody nose, black eye, and torn clothing. It was obvious he’d been in a bad fight and lost. While his father was patching him up, he asked his son what happened.
“Well, Dad,” said Pete, “ I challenged Larry to a duel. And, you know, I gave him his choice of weapons.”
“Uh-huh,” said the father, “that seems fair.”
“I know, but I never thought he’d choose his sister!”
“Well, Dad,” said Pete, “ I challenged Larry to a duel. And, you know, I gave him his choice of weapons.”
“Uh-huh,” said the father, “that seems fair.”
“I know, but I never thought he’d choose his sister!”
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
S. Joseph BegunBorn 2 Dec 1905; died 5 Jan 1995 at age 89.Semi Joseph Begun was a German-American inventor who built the first tape recorder for broadcasting (1934), which was later used in the 1936 Olympics. After WW II, he continued to work on magnetic recording media based on coating paper and plastic tape with ferromagnetic powder suspensions. Begun developed the first consumer tape recorder in the U.S. under the trade name Sound Mirror. He also negotiated the first sourcing agreement for magnetic tape with 3M - which became a major product line. He also invented the Mail-A-Voice, which magnetically recorded on one side of a paper disk for letter correspondence. |
Calculate the number 4015
NUMBERMANIA: Calculate the number 4015 using numbers [8, 4, 1, 2, 90, 967] 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, 12, 15, 21, 24, 26, 27, 29, 33, 35) 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 8ccbc + 84aa2 = b64a42 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 3763
NUMBERMANIA: Calculate the number 3763 using numbers [2, 9, 1, 7, 98, 329] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
#brainteasers #math #numbermania
Find number abc
If 8abb5 + 5c555 = 1bc000 find number abc. Multiple solutions may exist.
#brainteasers #math
