BRAIN TEASERS
Brain Teasers (page 303)

Brain Teasers (page 303)

puzzles, riddles, mathematical problems, word games, mastermind, cinemania, music, sport... These are the tasks listed 3021 to 3030.
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Calculate the number 3388

NUMBERMANIA: Calculate the number 3388 using numbers [9, 3, 8, 4, 56, 214] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 19
The first user who solved this task is Thinh Ddh.
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#brainteasers #math #numbermania
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Find number abc

If acc47 + ba878 = 8baba find number abc. Multiple solutions may exist.
Correct answers: 30
The first user who solved this task is Nílton Corrêa De Sousa.
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#brainteasers #math
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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: 26
The first user who solved this task is Nasrin 24 T.
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#brainteasers #mastermind

Just because i appear to believe

Just because i appear to believe your bullshit, It doesn't mean i'm as stupid as you think. I'm just laughing inside waiting to see what else you come up with.
Jokes of the day - Daily updated jokes. New jokes every day.
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Can you name the athletes by the picture?

Can you name the athletes by the picture?
Correct answers: 21
The first user who solved this task is Chandu Rajyaguru.
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#brainteasers #riddles #sport
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Calculate the number 3473

NUMBERMANIA: Calculate the number 3473 using numbers [4, 5, 8, 7, 28, 365] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 25
The first user who solved this task is Nílton Corrêa De Sousa.
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#brainteasers #math #numbermania
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Stealthy as a shadow in the ...

Stealthy as a shadow in the dead of night, Cunning but affectionate if given a bite. Never owned but often loved. At my sport considered cruel, But that's because you never know me at all. What am I?
Correct answers: 25
The first user who solved this task is Nasrin 24 T.
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#brainteasers #riddles #sport
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Remove 8 letters from this seq...

Remove 8 letters from this sequence (OUBPUQBLICAEPTIONNSP) to reveal a familiar English word.
Correct answers: 45
The first user who solved this task is Thinh Ddh.
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#brainteasers #wordpuzzles
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MAGIC SQUARE: Calculate A+B-C

The aim is to place the some numbers from the list (8, 11, 12, 18, 21, 22, 26, 29, 30, 97) 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.
Correct answers: 22
The first user who solved this task is Nílton Corrêa De Sousa.
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#brainteasers #math #magicsquare
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Guess the Game Name

Look carefully the picture and guess the game name.
Correct answers: 20
The first user who solved this task is Chandu Rajyaguru.
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#brainteasers #games
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I go around in circles, But ...

I go around in circles, But always straight ahead Never complain, No matter where I am led. What am I?
Correct answers: 31
The first user who solved this task is Nasrin 24 T.
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#brainteasers #riddles
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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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1. H Tav
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3. Nasrin 24 T
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4. Fazil Hashim
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5. Thinh Ddh
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6. Alfa Omega
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7. Djordje Timotijevic
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8. Mita Kojd
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Production of ammonia

In 1910, a U.S. patent for the Production of Ammonia was issued to Fritz Haber and Robert Le Rossignol (No. 971,501). This process could produce ammonia on a large scale directly from its component gases, hydrogen and nitrogen, by passing a mixture of them over heated finely-divided osmium metal used as a catalyst. A typical pressure of 175 atmospheres and a temperature of 550ºC could easily give an 8% by volume yield of ammonia. Although nitrogen makes up 80% of the air, as a gas it is quite unreactive. Despite its ready availability, nitrogen gas had previously been difficult to combine in a chemical form. Once nitrogen has been chemically combined in the form of ammonia, many other nitrogen compounds can be made.«
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