Daily Brain Teasers for Monday, 04 May 2026
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puzzles, riddles, mathematical problems, word games, mastermind, cinemania, music, stereograms, ... |
Calculate the number 994
NUMBERMANIA: Calculate the number 994 using numbers [3, 9, 3, 8, 92, 555] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
#brainteasers #math #numbermania
Find number abc
If 5ca4a - bbc8c = 34b53 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

600 Story Hotel
Tom, Dick and Harry went to a party. After the party they returned to the hotel. The hotel was 600 stories high.
Unfortunately for them, the elevator was not working. They made a plan for the first 200 stories, Tom will crack jokes.
The second 200 stories Dick will tell a happy story and lastly Harry will tell a sad story.They then started up the steps
After 2 hours it was Harry's turn. He turned to the other two and said "Ok guys, here's my sad story. I forgot the keys downstairs.
Calculate the number 6943
NUMBERMANIA: Calculate the number 6943 using numbers [7, 5, 3, 7, 14, 685] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
#brainteasers #math #numbermania
N.Y. State entomologistIn 1854, Asa Fitch became the first state entomologist in the U.S. when he was appointed in New York state by the executive committee of the N.Y. State Agricultural Society. His work was funded by an appropriation made by the N.Y. state legislature on 15 Apr 1854, and was designated to examine and describe the insects of the state, particularly those that damaged vegetation. In this position Fitch helped define the role for the scientist in solving public problems, such as crop damage caused by insects. His first report, concerning insects affecting fruit, was published the following year in the Society's Journal. His annual reports became standard reading for entomologists and agriculturists. |
MAGIC SQUARE: Calculate A+B*C
The aim is to place the some numbers from the list (7, 8, 15, 16, 23, 24, 31, 65, 66, 73, 77) 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 964ba - 9bc90 = 4a2a 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 6672
NUMBERMANIA: Calculate the number 6672 using numbers [5, 8, 6, 2, 21, 808] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
#brainteasers #math #numbermania
Find number abc
If b5b29 - 69bac = c599b 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