Daily Brain Teasers for Wednesday, 10 September 2025
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puzzles, riddles, mathematical problems, word games, mastermind, cinemania, music, stereograms, ... |
Find number abc
If 67333 - b835b = a898c 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 7166
NUMBERMANIA: Calculate the number 7166 using numbers [5, 3, 6, 4, 57, 868] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
#brainteasers #math #numbermania

Some Improvements in Hell
An engineer died and ended up in Hell. Soon, he became dissatisfied with the level of comfort in Hell, and began designing and building improvements. After a while, they had flush toilets, air conditioning, escalators. The engineer was a pretty popular guy.One day God called to Satan and said with a sneer, "So, how's it going down there in Hell?" Satan replied, "Hey, things are great. We've got air conditioning and flush toilets and escalators, and there's no telling what this engineer is going to come up with next."God exclaimed, "What? You've got an engineer? That's a mistake--he should never have gotten down there in the first place. Send him back up here.""No way," replied Satan. "I like having an engineer on the staff, and I'm keeping him."God threatened, "Send him back up here now or I'll sue!"Satan laughed and answered, "Yeah, right. And just where are YOU going to get a lawyer?"
Find number abc
If 3bc74 + 40c63 = 7ab37 find number abc. Multiple solutions may exist.
#brainteasers #math
J. Norman CollieBorn 10 Sep 1859; died 1 Nov 1942 at age 83. British chemist. |
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 254
NUMBERMANIA: Calculate the number 254 using numbers [4, 9, 9, 8, 17, 205] 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 (6, 8, 12, 17, 19, 22, 23, 43, 46, 62, 64, 68) 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 8c0bc - c1bac = 51c10 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 7661
NUMBERMANIA: Calculate the number 7661 using numbers [2, 8, 9, 9, 98, 617] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
#brainteasers #math #numbermania