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Brain Teasers (page 2)puzzles, riddles, mathematical problems, word games, mastermind, cinemania, music, sport... These are the tasks listed 11 to 20. |
What a winning combination?
. 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.','/archive/2026/09/05/mastermind-1788566701.png','/What-a-winning-combination/8827'))
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. Calculate the number 2340
. Each of the numbers can be used only once.','/archive/2026/09/04/numbermania-1788480302.png','/calculate-the-number-2340/8826'))
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. MAGIC SQUARE: Calculate A+B+C
 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.','/archive/2026/09/03/magic-square-1788393974.png','/MAGIC-SQUARE-Calculate-A-B-C/8825'))
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. 
Safety and Health at Work Day Jokes
April 28th is World Day for Safety and Health at Work! Find some jokes about it:
Danger is my middle name
but Safety first.
Why did the safety manager avoid the pile of LSD in the middle of the floor?
He felt it was a tripping hazard.
BMW recalls 300,000 due to one safety hazard...
The drivers.
I've started wearing a bike helmet, cause I find safety important. Now people stare and make fun of me. I'll never go to that spinning class again.
Some Safet quotes
If you think professional safety officers are expensive,wait until you see what an amateur costs
Follow the safety rules or you will be fired before you hit the ground
“In case of fire, exit building before tweeting about it.”
You’ll look pretty stupid trying to eat corn on the cob with no teeth
While on a ladder, never step back to admire your work
Ladder safety has it’s ups and downs.
Don’t watch her behind. Keep safety in mind!
Safety’s OK if you got all day.
Our aim is to keep the toilets clean – your aim will help!
When safety is a factor, call in a contractor.
Work Safely and Carry a Big Lunch Box
Be Safe at Work Today; Call In Sick
If everything comes your way, you are in the wrong lane
Find number abc
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If 129ac + c1aab = 9ba32 find number abc. Multiple solutions may exist. 
Which is a winning combination of digits?
. 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.','/archive/2026/09/01/mastermind-1788221101.png','/Which-is-a-winning-combination-of-digits/8823'))
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. Calculate the number 323
. Each of the numbers can be used only once.','/archive/2026/08/31/numbermania-1788134702.png','/calculate-the-number-323/8822'))
NUMBERMANIA: Calculate the number 323 using numbers [4, 4, 6, 6, 29, 125] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Find number abc
)
If b492c + 4ba50 = a8cac find number abc. Multiple solutions may exist. What a winning combination?
. 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.','/archive/2026/08/29/mastermind-1787961901.png','/What-a-winning-combination/8820'))
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. Calculate the number 727
. Each of the numbers can be used only once.','/archive/2026/08/28/numbermania-1787875502.png','/calculate-the-number-727/8819'))
NUMBERMANIA: Calculate the number 727 using numbers [9, 2, 8, 9, 49, 630] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. MAGIC SQUARE: Calculate A*B-C
 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.','/archive/2026/08/27/magic-square-1787789144.png','/MAGIC-SQUARE-Calculate-A-B-C/8818'))
The aim is to place the some numbers from the list (1, 4, 5, 20, 21, 24, 25, 50, 53, 54, 81) 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. 
