Daily Brain Teasers for Wednesday, 29 July 2026
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puzzles, riddles, mathematical problems, word games, mastermind, cinemania, music, stereograms, ... |
Find number abc
If 65c5b - b5ac3 = 3a50a 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 648
NUMBERMANIA: Calculate the number 648 using numbers [6, 1, 8, 4, 36, 267] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
#brainteasers #math #numbermania
April Fool’s Day Pranks
1. Take something from someone’s office and leave them a ransom note.
2. Add several odd appointments with alarms set to go off during the day to a co-worker’s Outlook calendar.
3. Add food coloring to milk that comes in a cardboard container.
4. Add food coloring to the windshield washer fluid of someone’s car.
5. Switch around random keys on someone’s keyboard who isn’t a very good typist.
6. Switch the Push and Pull signs on a set of doors.
2. Add several odd appointments with alarms set to go off during the day to a co-worker’s Outlook calendar.
3. Add food coloring to milk that comes in a cardboard container.
4. Add food coloring to the windshield washer fluid of someone’s car.
5. Switch around random keys on someone’s keyboard who isn’t a very good typist.
6. Switch the Push and Pull signs on a set of doors.
Find number abc
If b7aaa + 3b30c = 489a8 find number abc. Multiple solutions may exist.
#brainteasers #math
AirmailIn 1920, the first transcontinental airmail flight relay from New York to San Francisco occurred. A quote from the event, "I happened to be the man on the spot, but any of the rest of the fellows would have done what I did, " said Jack Knight, first night mail flight, which was part of a record-setting transcontinental airmail relay. Interstate carriage of mail by airplane was sanctioned between Garden City and Mineola, NY with Earle H. Ovington, first U. S. mail pilot (1911). This was a dangerous occupation: 31 of the first 40 pilots hired to fly mail were killed in crashes. Regular transcontinental airmail service began in 1924. |
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 2589
NUMBERMANIA: Calculate the number 2589 using numbers [8, 8, 3, 9, 99, 965] 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 (17, 20, 22, 23, 26, 28, 34, 41, 44, 46, 82) 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 5aa85 - a4c55 = ac53b 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 6585
NUMBERMANIA: Calculate the number 6585 using numbers [9, 7, 7, 9, 62, 790] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
#brainteasers #math #numbermania
