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Daily Brain Teaserspuzzles, riddles, mathematical problems, word games, mastermind, cinemania, music, stereograms, ... |
Daily Brain Teasers for Monday, 06 July 2026
● NUMBERMANIA: Calculate the number 3990 using numbers [2, 7, 7, 2, 95, 423] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. ● If c1624 + 1b6b4 = 10c2ca find number abc. Multiple solutions may exist. ● 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. ● NUMBERMANIA: Calculate the number 584 using numbers [8, 2, 7, 2, 37, 316] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. ● The aim is to place the some numbers from the list (3, 10, 11, 14, 18, 19, 22, 34, 35, 38, 76, 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. ● If 84b40 + 4c8ba = acb6aa find number abc. Multiple solutions may exist. ● 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. ● NUMBERMANIA: Calculate the number 1520 using numbers [3, 4, 9, 1, 78, 182] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. ● If 699a9 - 5cc46 = b658c find number abc. Multiple solutions may exist. ● 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.
Daily Brain Teasers for Sunday, 05 July 2026
● If c1624 + 1b6b4 = 10c2ca find number abc. Multiple solutions may exist. ● 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. ● NUMBERMANIA: Calculate the number 584 using numbers [8, 2, 7, 2, 37, 316] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. ● The aim is to place the some numbers from the list (3, 10, 11, 14, 18, 19, 22, 34, 35, 38, 76, 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. ● If 84b40 + 4c8ba = acb6aa find number abc. Multiple solutions may exist. ● 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. ● NUMBERMANIA: Calculate the number 1520 using numbers [3, 4, 9, 1, 78, 182] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. ● If 699a9 - 5cc46 = b658c find number abc. Multiple solutions may exist. ● 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. ● NUMBERMANIA: Calculate the number 1352 using numbers [5, 2, 2, 6, 27, 601] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Daily Brain Teasers for Saturday, 04 July 2026
● 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. ● NUMBERMANIA: Calculate the number 584 using numbers [8, 2, 7, 2, 37, 316] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. ● The aim is to place the some numbers from the list (3, 10, 11, 14, 18, 19, 22, 34, 35, 38, 76, 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. ● If 84b40 + 4c8ba = acb6aa find number abc. Multiple solutions may exist. ● 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. ● NUMBERMANIA: Calculate the number 1520 using numbers [3, 4, 9, 1, 78, 182] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. ● If 699a9 - 5cc46 = b658c find number abc. Multiple solutions may exist. ● 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. ● NUMBERMANIA: Calculate the number 1352 using numbers [5, 2, 2, 6, 27, 601] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. ● The aim is to place the some numbers from the list (3, 7, 8, 11, 27, 30, 31, 32, 34, 35, 42, 48) 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.
The Job Security Quiz
The job security quiz will help judge how long you'll end up at your current job and what will become of you.
The boss appears at your cubicle and finds you playing DOOM at your desk, you...
A. Swear to take the game off your hard drive forever, but first make a copy for his kid.
B. Inform him that you're planting a virus in the program so that everyone who plays it on company time will get reported to Human Resources.
C. Tell him that whatever he wants will have to wait until you've finished the level.
There's a cush job opening in the mail department, stuffing envelopes with free samples. It pays twice as much as your current position. What do you do?
A. Meekly suggest to your boss that transferring you might improve the morale of everyone who's been working with you.
B. Politely ask your boss for a transfer and offer to split the salary increase 50/50 with him.
C. Barge into your bosses office and demand reassignment so that you, "Won't have to work under someone who should have retired before he became a laughingstock."
When your boss throws a party and invites everyone in the office except you, what do you do?
A. Stay home and watch 'I Love Lucy' reruns.
B. Show up at the party anyway, with a really expensive bottle of wine and a briefcase full of small, unmarked bills.
C. Go over to your bosses house after everyone has left and throw rocks at the windows, shouting obscenities.
Your boss criticizes your work unjustly; what do you do?
A. Listen politely, and then apologize.
B. Blame someone else.
C. Climb on top of your desk, and hold up a piece of paper on which you've written the word "union."
When the CEO parks his car in your spot, you...
A. Wash and wax it, then leave your business card under the windshield wiper.
B. Key it ... then tell the CEO's secretary you saw your boss near it, loitering suspiciously.
C. Key it ... then proudly tell the CEO's secretary that you did it.
Your boss asks you to play Kooky the Clown for his kid's fifth birthday party, what do you do?
A. Offer to pay for the costume rental and cake, too.
B. Agree to do it, then blackmail a co-worker into doing it while pretending to be you.
C. Agree to do it, then show up as yourself and tell the children that Kooky is dead.
The boss accuses you of not keeping the office clean; you...
A. Clean the office while he supervises.
B. Tell him that you delegated the job, then fire the underling you supposedly gave the job to.
C. Clean the office again, but this time, you use your boss' face.
Scoring this test
Mostly A's: You have nothing to worry about. They'll never fire you because you're a doormat.
Mostly B's: You're not just going to keep your job, with your complete disregard for other peoples feelings, you'll positively shoot up the ladder of success. Congratulations! You're a real jerk.
Mostly C's: You are a career kamikaze. The boss would have fired you long ago, but he's terrified of what you might do.
The boss appears at your cubicle and finds you playing DOOM at your desk, you...
A. Swear to take the game off your hard drive forever, but first make a copy for his kid.
B. Inform him that you're planting a virus in the program so that everyone who plays it on company time will get reported to Human Resources.
C. Tell him that whatever he wants will have to wait until you've finished the level.
There's a cush job opening in the mail department, stuffing envelopes with free samples. It pays twice as much as your current position. What do you do?
A. Meekly suggest to your boss that transferring you might improve the morale of everyone who's been working with you.
B. Politely ask your boss for a transfer and offer to split the salary increase 50/50 with him.
C. Barge into your bosses office and demand reassignment so that you, "Won't have to work under someone who should have retired before he became a laughingstock."
When your boss throws a party and invites everyone in the office except you, what do you do?
A. Stay home and watch 'I Love Lucy' reruns.
B. Show up at the party anyway, with a really expensive bottle of wine and a briefcase full of small, unmarked bills.
C. Go over to your bosses house after everyone has left and throw rocks at the windows, shouting obscenities.
Your boss criticizes your work unjustly; what do you do?
A. Listen politely, and then apologize.
B. Blame someone else.
C. Climb on top of your desk, and hold up a piece of paper on which you've written the word "union."
When the CEO parks his car in your spot, you...
A. Wash and wax it, then leave your business card under the windshield wiper.
B. Key it ... then tell the CEO's secretary you saw your boss near it, loitering suspiciously.
C. Key it ... then proudly tell the CEO's secretary that you did it.
Your boss asks you to play Kooky the Clown for his kid's fifth birthday party, what do you do?
A. Offer to pay for the costume rental and cake, too.
B. Agree to do it, then blackmail a co-worker into doing it while pretending to be you.
C. Agree to do it, then show up as yourself and tell the children that Kooky is dead.
The boss accuses you of not keeping the office clean; you...
A. Clean the office while he supervises.
B. Tell him that you delegated the job, then fire the underling you supposedly gave the job to.
C. Clean the office again, but this time, you use your boss' face.
Scoring this test
Mostly A's: You have nothing to worry about. They'll never fire you because you're a doormat.
Mostly B's: You're not just going to keep your job, with your complete disregard for other peoples feelings, you'll positively shoot up the ladder of success. Congratulations! You're a real jerk.
Mostly C's: You are a career kamikaze. The boss would have fired you long ago, but he's terrified of what you might do.
Daily Brain Teasers for Friday, 03 July 2026
● NUMBERMANIA: Calculate the number 584 using numbers [8, 2, 7, 2, 37, 316] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. ● The aim is to place the some numbers from the list (3, 10, 11, 14, 18, 19, 22, 34, 35, 38, 76, 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. ● If 84b40 + 4c8ba = acb6aa find number abc. Multiple solutions may exist. ● 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. ● NUMBERMANIA: Calculate the number 1520 using numbers [3, 4, 9, 1, 78, 182] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. ● If 699a9 - 5cc46 = b658c find number abc. Multiple solutions may exist. ● 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. ● NUMBERMANIA: Calculate the number 1352 using numbers [5, 2, 2, 6, 27, 601] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. ● The aim is to place the some numbers from the list (3, 7, 8, 11, 27, 30, 31, 32, 34, 35, 42, 48) 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. ● If c3294 + bba8c = aa9479 find number abc. Multiple solutions may exist.
Daily Brain Teasers for Thursday, 02 July 2026
● The aim is to place the some numbers from the list (3, 10, 11, 14, 18, 19, 22, 34, 35, 38, 76, 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. ● If 84b40 + 4c8ba = acb6aa find number abc. Multiple solutions may exist. ● 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. ● NUMBERMANIA: Calculate the number 1520 using numbers [3, 4, 9, 1, 78, 182] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. ● If 699a9 - 5cc46 = b658c find number abc. Multiple solutions may exist. ● 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. ● NUMBERMANIA: Calculate the number 1352 using numbers [5, 2, 2, 6, 27, 601] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. ● The aim is to place the some numbers from the list (3, 7, 8, 11, 27, 30, 31, 32, 34, 35, 42, 48) 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. ● If c3294 + bba8c = aa9479 find number abc. Multiple solutions may exist. ● 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.
Daily Brain Teasers for Wednesday, 01 July 2026
● If 84b40 + 4c8ba = acb6aa find number abc. Multiple solutions may exist. ● 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. ● NUMBERMANIA: Calculate the number 1520 using numbers [3, 4, 9, 1, 78, 182] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. ● If 699a9 - 5cc46 = b658c find number abc. Multiple solutions may exist. ● 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. ● NUMBERMANIA: Calculate the number 1352 using numbers [5, 2, 2, 6, 27, 601] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. ● The aim is to place the some numbers from the list (3, 7, 8, 11, 27, 30, 31, 32, 34, 35, 42, 48) 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. ● If c3294 + bba8c = aa9479 find number abc. Multiple solutions may exist. ● 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. ● NUMBERMANIA: Calculate the number 8628 using numbers [5, 4, 5, 4, 50, 937] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Daily Brain Teasers for Tuesday, 30 June 2026
● 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. ● NUMBERMANIA: Calculate the number 1520 using numbers [3, 4, 9, 1, 78, 182] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. ● If 699a9 - 5cc46 = b658c find number abc. Multiple solutions may exist. ● 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. ● NUMBERMANIA: Calculate the number 1352 using numbers [5, 2, 2, 6, 27, 601] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. ● The aim is to place the some numbers from the list (3, 7, 8, 11, 27, 30, 31, 32, 34, 35, 42, 48) 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. ● If c3294 + bba8c = aa9479 find number abc. Multiple solutions may exist. ● 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. ● NUMBERMANIA: Calculate the number 8628 using numbers [5, 4, 5, 4, 50, 937] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. ● If 5a9bb + 49bc9 = 1aab57 find number abc. Multiple solutions may exist.
Daily Brain Teasers for Monday, 29 June 2026
● NUMBERMANIA: Calculate the number 1520 using numbers [3, 4, 9, 1, 78, 182] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. ● If 699a9 - 5cc46 = b658c find number abc. Multiple solutions may exist. ● 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. ● NUMBERMANIA: Calculate the number 1352 using numbers [5, 2, 2, 6, 27, 601] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. ● The aim is to place the some numbers from the list (3, 7, 8, 11, 27, 30, 31, 32, 34, 35, 42, 48) 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. ● If c3294 + bba8c = aa9479 find number abc. Multiple solutions may exist. ● 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. ● NUMBERMANIA: Calculate the number 8628 using numbers [5, 4, 5, 4, 50, 937] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. ● If 5a9bb + 49bc9 = 1aab57 find number abc. Multiple solutions may exist. ● 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.
Daily Brain Teasers for Sunday, 28 June 2026
● If 699a9 - 5cc46 = b658c find number abc. Multiple solutions may exist. ● 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. ● NUMBERMANIA: Calculate the number 1352 using numbers [5, 2, 2, 6, 27, 601] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. ● The aim is to place the some numbers from the list (3, 7, 8, 11, 27, 30, 31, 32, 34, 35, 42, 48) 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. ● If c3294 + bba8c = aa9479 find number abc. Multiple solutions may exist. ● 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. ● NUMBERMANIA: Calculate the number 8628 using numbers [5, 4, 5, 4, 50, 937] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. ● If 5a9bb + 49bc9 = 1aab57 find number abc. Multiple solutions may exist. ● 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. ● NUMBERMANIA: Calculate the number 4293 using numbers [9, 7, 1, 9, 24, 570] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Daily Brain Teasers for Saturday, 27 June 2026
● 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. ● NUMBERMANIA: Calculate the number 1352 using numbers [5, 2, 2, 6, 27, 601] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. ● The aim is to place the some numbers from the list (3, 7, 8, 11, 27, 30, 31, 32, 34, 35, 42, 48) 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. ● If c3294 + bba8c = aa9479 find number abc. Multiple solutions may exist. ● 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. ● NUMBERMANIA: Calculate the number 8628 using numbers [5, 4, 5, 4, 50, 937] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. ● If 5a9bb + 49bc9 = 1aab57 find number abc. Multiple solutions may exist. ● 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. ● NUMBERMANIA: Calculate the number 4293 using numbers [9, 7, 1, 9, 24, 570] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. ● The aim is to place the some numbers from the list (6, 11, 16, 18, 19, 31, 35, 36, 40, 41, 45, 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.
