Daily Brain Teasers for Sunday, 02 November 2025
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puzzles, riddles, mathematical problems, word games, mastermind, cinemania, music, stereograms, ... |
Find number abc
If bc7bc - 17740 = 4a01c 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 6367
NUMBERMANIA: Calculate the number 6367 using numbers [9, 1, 1, 3, 87, 631] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
#brainteasers #math #numbermania

Turn-down service in posh hotels
Posh hotels have a turn-down service. I had never heard of this and there was a knock at the door and a woman said, I've come to turn down your bed. To which I said, Well many women have in the past. Why should you be any different?
Michael McIntyre (December 21 1976-)
Picture: Andrew Crowley
MAGIC SQUARE: Calculate A*B-C
The aim is to place the some numbers from the list (13, 15, 16, 18, 20, 23, 37, 39, 44, 61) 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
Lajos LóczyBorn 2 Nov 1849; died 13 May 1920 at age 70.Hungarian geologist who first scientifically described the mountains bordering the Tibetan Plateau that connect the Kunlun Mountains with the north-south-oriented belt of mountains and gorges in central China. In 1878, with the Hungarian Count Széchenyi Béla and Gustav Kreitner, he was the first western visitor to remote ancient Buddhist sites such as the oasis town of Dunhuang, situated at the edge of the Gobi desert, in the west of the present-day Chinese province of Gansu. He wrote many accounts his discoveries, and during his expeditions made many pictures for documentation. |
Find number abc
If 2baa4 + c992c = 10ba11 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 9167
NUMBERMANIA: Calculate the number 9167 using numbers [4, 3, 9, 7, 37, 881] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
#brainteasers #math #numbermania
Find number abc
If c4bab + 4b5ca = a2aa8c 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 1520
NUMBERMANIA: Calculate the number 1520 using numbers [6, 9, 9, 7, 96, 634] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
#brainteasers #math #numbermania