BRAIN TEASERS
Monthly Archive - November 2017 (page 2)

Monthly Archive - November 2017 (page 2)

brain teasers, puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 11 to 20.
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I'm white, and used for cutt...

I'm white, and used for cutting and grinding. When I'm damaged, humans usually remove me or fill me. For most animals I am a useful tool. What am I?
Correct answers: 56
The first user who solved this task is Fazil Hashim.
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#brainteasers #riddles
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Look carefully the picture a...

Look carefully the picture and guess the game name.
Correct answers: 18
The first user who solved this task is Fazil Hashim.
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#brainteasers #games
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Remove 6 letters from this seq...

Remove 6 letters from this sequence (CFLAESSDMROATEU) to reveal a familiar English word.
Correct answers: 43
The first user who solved this task is Djordje Timotijevic.
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#brainteasers #wordpuzzles

The salesman claimed...

“The salesman claimed the shoes were made from alligator, but I knew it was a crock.”

Jokes of the day - Daily updated jokes. New jokes every day.
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Calculate the number 2215

NUMBERMANIA: Calculate the number 2215 using numbers [4, 3, 4, 8, 17, 761] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 14
The first user who solved this task is Djordje Timotijevic.
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#brainteasers #math #numbermania
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What number comes next?

Look at the series (31, 124, 868, 19096, ?), determine the pattern, and find the value of the next number!
Correct answers: 77
The first user who solved this task is Manguexa Wagle.
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#brainteasers #math #riddles
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I am in smart and heart. Wha...

I am in smart and heart. What am I?
Correct answers: 53
The first user who solved this task is FC Viñas.
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#brainteasers #riddles
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There are two incomplete wor...

There are two incomplete words. Place three (3) letters in bracket so that you can complete the word on the left and begin the word on the right.
Correct answers: 39
The first user who solved this task is FC Viñas.
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#brainteasers #wordpuzzles
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Can you name the athletes by the picture?

Can you name the athletes by the picture?
Correct answers: 19
The first user who solved this task is Djordje Timotijevic.
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#brainteasers #riddles #sport
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Remove 7 letters from this seq...

Remove 7 letters from this sequence (WORSUHIPPXEMYZDCE) to reveal a familiar English word.
Correct answers: 36
The first user who solved this task is Djordje Timotijevic.
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#brainteasers #wordpuzzles
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Find number abc

If 9290a - 7ba9b = 2bcb4 find number abc. Multiple solutions may exist.
Correct answers: 40
The first user who solved this task is Djordje Timotijevic.
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#brainteasers #math
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Sir William Rowan Hamilton

Born 4 Aug 1805; died 2 Sep 1865 at age 60. Irish mathematician in the fields of optics, geometrics, and classical mechanics. By age 12, Hamilton had already learned fourteen languages when he met the American, Zerah Colburn, who could perform amazing mental arithmetical feats, and they joined in competitions. It appears that losing to Colburn sparked Hamilton's interest in mathematics. At 15, he began studied the works of LaPlace and Newton so by age 17 had become the greatest living mathematician. He contributed to the development of optics, dynamics, and algebra. His invention of the calculus of quaternions enabled a three-dimensional algebra or geometry which provided a basis for the later development of quantum mechanics.
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