Daily Brain Teasers for Sunday, 05 July 2026
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puzzles, riddles, mathematical problems, word games, mastermind, cinemania, music, stereograms, ... |
Find number abc
If c1624 + 1b6b4 = 10c2ca 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 584
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.
#brainteasers #math #numbermania

At the conclusion of the sermon...
At the conclusion of the sermon, the worshippers filed out of the sanctuary to greet the minister. As one shook the minister’s hand, he said, “Thanks for the message, Reverend. You know, I bet you’re smarter than Einstein. ”Beaming with pride, the minister said, “Why, thank you, brother!” As the week went by, the minister began to think about the man’s compliment. The more he though, the more the wondered why anyone would deem him smarter than Einstein. So the following Sunday he asked the man, “Exactly what did you mean that I must be smarter than Einstein?” The man replied, “Well, Reverend, they say that Einstein was so smart that only ten people in the entire world could understand him. But Reverend, no one can understand you.”
MAGIC SQUARE: Calculate A+B-C
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.
#brainteasers #math #magicsquare
Jonathan Carter HornblowerBorn 5 Jul 1753; died Mar 1815 .English mining engineer who invented the first compound steam engine for which he claimed better efficiency, using two cylinders of unequal size attached to the same beam. Steam acts first in a small high-pressure cylinder, leaving at a lower pressure, but still sufficient to expand further in a larger cylinder. He obtained a patent on 13 Jul 1781 (UK No. 1298), but his engine still used a separate condenser, thus infringing on patents held by James Watt's company (Boulton & Watt), so he had to abandon that design. In 1798 and 1805, he patented rotary forms of steam engine (never built). He also invented a machine for sweeping chimneys with a blast of air. His compound steam engine principle was revived in 1804 by Arthur Woolf.« |
Find number abc
If 84b40 + 4c8ba = acb6aa 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 1520
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.
#brainteasers #math #numbermania
Find number abc
If 699a9 - 5cc46 = b658c 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 1352
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.
#brainteasers #math #numbermania