Daily Brain Teasers for Monday, 05 May 2025
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puzzles, riddles, mathematical problems, word games, mastermind, cinemania, music, stereograms, ... |
Calculate the number 241
NUMBERMANIA: Calculate the number 241 using numbers [4, 4, 8, 5, 42, 400] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
#brainteasers #math #numbermania
Find number abc
If b4a4a - 8ca37 = 8008 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

Two college classmates met for
Two college classmates met for the first time in years.
"How goes it with you, Pete?" asked one.
"Not good at all," mourned Pete. "My wife ran away with the mail man, my son is a juvenile delinquent, my bank failed, and all my teeth will have to come out."
"Gosh, I'm sorry to hear that," sympathized the classmate. "What business are you in now?"
"Some old line," answered Pete. "Selling good-luck charms."
"How goes it with you, Pete?" asked one.
"Not good at all," mourned Pete. "My wife ran away with the mail man, my son is a juvenile delinquent, my bank failed, and all my teeth will have to come out."
"Gosh, I'm sorry to hear that," sympathized the classmate. "What business are you in now?"
"Some old line," answered Pete. "Selling good-luck charms."
Calculate the number 7899
NUMBERMANIA: Calculate the number 7899 using numbers [5, 4, 3, 1, 34, 954] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
#brainteasers #math #numbermania
Arthur L. SchawlowBorn 5 May 1921; died 28 Apr 1999 at age 77.American physicist who shared (with Nicolaas Bloembergen and Kai Siegbahn) the 1981 Nobel Prize for Physics for his work in developing the laser and in laser spectroscopy. |
MAGIC SQUARE: Calculate A-B+C
The aim is to place the some numbers from the list (17, 18, 19, 20, 23, 25, 29, 30, 35, 89, 91) 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 94c7c + b663a = bbb5b0 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 1290
NUMBERMANIA: Calculate the number 1290 using numbers [9, 7, 6, 4, 42, 824] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
#brainteasers #math #numbermania
Find number abc
If b5a11 + bc385 = 1a959b 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