BRAIN TEASERS
Brain Teasers (page 255)

Brain Teasers (page 255)

puzzles, riddles, mathematical problems, word games, mastermind, cinemania, music, sport... These are the tasks listed 2541 to 2550.
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How many triangles are there...

How many triangles are there in the picture?
Correct answers: 97
The first user who solved this task is Nasrin 24 T.
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#brainteasers #math #riddles
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A small number of cards has ...

A small number of cards has been lost from a complete pack. If I deal among four people, three cards remain. If I deal among three people, two remain and if I deal among five people, two cards remain. How many cards are there?
Correct answers: 34
The first user who solved this task is Thinh Ddh.
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#brainteasers #math #riddles
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I have branches, but no frui...

I have branches, but no fruit, trunk or leaves. What am I?
Correct answers: 33
The first user who solved this task is Nasrin 24 T.
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#brainteasers #riddles

Getting In An Accident

A Rabbi and a Priest are driving one day and, by a freak accident, have a head-on collision with tremendous force. Both cars are totally demolished, but amazingly, neither of the clerics has a scratch on him.
After they crawl out of their cars, the rabbi sees the priest's collar and says, "So you're a priest. I'm a rabbi.
Just look at our cars.
There is nothing left, yet we are here, unhurt.
This must be a sign from God!"
Pointing to the sky, he continues, "God must have meant that we should meet and share our lives in peace and friendship for the rest of our days on earth."
The priest replies, "I agree with you completely.
This must surely be a sign from God!"
The rabbi is looking at his car and exclaims, "And look at this!
Here's another miracle!
My car is completely demolished, but this bottle of Mogen David wine did not break.
Surely, God wants us to drink this wine and to celebrate our good fortune."
The priest nods in agreement.
The rabbi hands the bottle to the priest, who drinks half the bottle and hands the bottle back to the rabbi.
The rabbi takes the bottle and immediately puts the cap on, then hands it back to the priest.
The priest, baffled, asks, "Aren't you having any, Rabbi?"
The rabbi replies, "Nah... I think I'll wait for the police."
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What hides this stereogram?

Stereogram - 3D Image
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#brainteasers #stereogram #3Dimage
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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: 25
The first user who solved this task is Nílton Corrêa de Sousa.
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#brainteasers #mastermind
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MATH PUZZLE: Can you replace...

MATH PUZZLE: Can you replace the question mark with a number?
Correct answers: 460
The first user who solved this task is Nílton Corrêa de Sousa.
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#brainteasers #math #riddles
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I shave every day, but my be...

I shave every day, but my beard stays the same. What am I?
Correct answers: 24
The first user who solved this task is Nílton Corrêa de Sousa.
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#brainteasers #riddles
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Remove 5 letters from this seq...

Remove 5 letters from this sequence (CHAOEEJTIICG) to reveal a familiar English word.
Correct answers: 41
The first user who solved this task is Nasrin 24 T.
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#brainteasers #wordpuzzles
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Calculate the number 3094

NUMBERMANIA: Calculate the number 3094 using numbers [9, 6, 2, 5, 70, 425] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 11
The first user who solved this task is Nílton Corrêa de Sousa.
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#brainteasers #math #numbermania
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What is hidden in 3D image?

Stereogram - 3D Image
ENLARGE IMAGE
#brainteasers #stereogram #3Dimage
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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.
Last Correct Answer

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Portland cement US patent

In 1871, U.S. patent No. 119,413 for the composition of portland cement was issued to David Oliver Saylor, of Allentown, Pa. In 1871, Saylor tried his hand at selecting and mixing different kinds of rock from his quarries to produce portland cement at the first US plant in Coplay, Pa. After initial difficulties, he succeeded with a mixture of magnesium clay with limestone clay. Samples shown at the 1876 Philadelphia Centennial Exhibition compared well with the best imported portland cements. In England, William Aspdin had patented "Portland cement," and coined the name (1852). The first recorded shipment of portland cement to the US was in 1868, when European manufacturers began shipping cement as ballast in tramp steamers at very low freight rates.[Image: Kilns at Coplay, Pa.]
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