Daily Brain Teasers for Friday, 11 September 2026
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puzzles, riddles, mathematical problems, word games, mastermind, cinemania, music, stereograms, ... |
Calculate the number 806
NUMBERMANIA: Calculate the number 806 using numbers [3, 3, 2, 9, 81, 720] 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 (2, 4, 7, 8, 9, 13, 21, 23, 27, 59, 79, 95) 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 aa428 + 42a1b = c5ca8 find number abc. Multiple solutions may exist.
#brainteasers #math
Pizza
A college pizza delivery boy arrived at the house of Mr.Smith. He delivered the pizza to his trailer. After giving it to him, Mr. Smith asked: "What is the usual tip?"
"Well," replied the youth, "this is my first trip here, but the other guys say if I get a quarter out of you, I'll be doing great."
"Is that so?" snorted Mr. Smith. "Well, just to show them how wrong they are, here's five dollars."
"Thanks," replied the youth, "I'll put this in my school fund."
"What are you studying in school?" asked Larry.
The lad smiled and said: "Applied psychology."
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
Rudolf SchoenheimerDied 11 Sep 1941 at age 43 (born 10 May 1898). German-American biochemist whose technique of “tagging”molecules with radioactive isotopes made it possible to trace the paths of organic substances through animals and plants and revolutionized metabolic studies. |
Calculate the number 5096
NUMBERMANIA: Calculate the number 5096 using numbers [2, 6, 8, 8, 52, 586] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
#brainteasers #math #numbermania
Find number abc
If a99b6 + 1aa1b = 7a4c8 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 2340
NUMBERMANIA: Calculate the number 2340 using numbers [9, 5, 3, 1, 86, 486] 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 (4, 7, 8, 9, 12, 13, 19, 44, 47, 48, 62, 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 129ac + c1aab = 9ba32 find number abc. Multiple solutions may exist.
#brainteasers #math
