BRAIN TEASERS
The Most Difficult Tasks (page 232)

The Most Difficult Tasks (page 232)

puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 2311 to 2320.
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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.
Correct answers: 17
The first user who solved this task is Nasrin 24 T.
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#brainteasers #mastermind
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Find number abc

If 89c99 - a80cc = cbc33 find number abc. Multiple solutions may exist.
Correct answers: 17
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #math
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Find number abc

If 9c55c + 8a06c = a736ab find number abc. Multiple solutions may exist.
Correct answers: 17
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #math

Gilbert Gottfried: Spoke to the Animals

A traveling salesman goes to a farm house. The farmer goes, I could put you up for one night, but youll have to stay in the barn. So he spends the night there and the next morning the farmer comes in, he goes, Were you comfortable? He goes, I had a great time; I talked to all the animals. He goes, You talked to the animals? He goes, Yeah I spoke to the chickens, they say you collect the eggs every morning exactly at five minutes after six. He goes, Thats exactly right. He says, The horse tells me his name is Otis, youve owned him for 10 years. He goes, Thats incredible. And he goes, I spoke to the cow, the cow says that her name is Elsie and you milk her every morning at exactly 8:30. And then I spoke to the sheep. And the farmer goes, Those sheep are lying.
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Find number abc

If 43184 - aa5b8 = a0c0c find number abc. Multiple solutions may exist.
Correct answers: 17
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #math
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Find number abc

If b0ab0 + 20c0a = 3bbba find number abc. Multiple solutions may exist.
Correct answers: 17
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #math
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Find number abc

If 53aac - 1b53b = c1bcb find number abc. Multiple solutions may exist.
Correct answers: 17
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #math
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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.
Correct answers: 17
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #mastermind
[link]

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.
Correct answers: 17
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #mastermind
[link]

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.
Correct answers: 17
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #mastermind
[link]

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.
Correct answers: 17
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #mastermind
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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.
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U.S. Patent No. 1

In 1836, John Ruggles of Thomaston, Maine received patent Number 1 from the U.S. Patent Office, under a new system for numbering patents. Before Ruggles, there had been 9,957 non-numbered patents issued. Ruggles received his patent for a traction wheel used in locomotive steam engines. He was Chairman of the Committee on Patents of the U.S. Senate, and was instrumental in patent law reform. However, in 1838, a Senate select committee investigated corruption charges against Senator Ruggles relating to a patent application.
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