Daily Brain Teasers for Monday, 07 July 2025
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puzzles, riddles, mathematical problems, word games, mastermind, cinemania, music, stereograms, ... |
Calculate the number 1958
NUMBERMANIA: Calculate the number 1958 using numbers [7, 4, 2, 5, 59, 512] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Find number abc
If 9b0a5 - 1bc0a = 79259 find number abc. Multiple solutions may exist.
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.
Cannibals
One day three people were stuck on an island with cannibals.
The cannibals said, "If you do what we say, we won't kill you".
So the 3 people followed the orders which were to go into the forest and pick 10 fruits of your choice.
So the first person came back out of the forest with 10 apples. The cannibals said, "put the apples up your ass without making a facial expression". The person held his composure however then made a facial expression after the second apple, so the cannibals killed him.
The second person came back out of the forest with 10 cherries. The cannibals said, "put the cherries up your ass without making a facial expression". However as much as he tried to restrain himself the person burst into tears laughing on the tenth cherry, so they killed him.
In heaven, the person with apples asked the person with cherries "why did you start laughing?"
The person replied, "I saw the third person come out with pineapples."
Calculate the number 4136
NUMBERMANIA: Calculate the number 4136 using numbers [3, 6, 3, 4, 73, 763] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Goddard's first rocket patentIn 1914, Robert Goddard, age 31,was issued a U.S. patent, the first of the 214 he would obtain in his lifetime as a pioneer rocket scientist. This patent was for a “Rocket Apparatus” (U.S. No. 1,102,653) which described the multi-stage rocket concept. A liquid-fueled rocket design was issued a patent the following week, on 14 Jul 1914, also titled “Rocket Apparatus.” It described a combustion chamber, with expander nozzle, into which liquid fuels are pumped. This was his second rocket patent. On 16 Mar 1926, his test launch, the first ever of a liquid-fuelled rocket, managed to propel a 10-ft long projectile to a height of 41-ft (12.5m). Its 2.5 second flight covered a distance of 184-ft at an average speed of 60-mph. The fuel was a combination of liquid oxygen and gasoline.« |
MAGIC SQUARE: Calculate A-B-C
The aim is to place the some numbers from the list (3, 4, 6, 7, 8, 9, 10, 11, 14, 23, 27) 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.
Find number abc
If 6ba99 + b0bab = 94cac find number abc. Multiple solutions may exist.
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.
Calculate the number 4740
NUMBERMANIA: Calculate the number 4740 using numbers [5, 5, 2, 5, 70, 944] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Find number abc
If 6c4a6 + 9cb53 = b546c9 find number abc. Multiple solutions may exist.
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.
