BRAIN TEASERS
Brain Teasers (page 355)

Brain Teasers (page 355)

puzzles, riddles, mathematical problems, word games, mastermind, cinemania, music, sport... These are the tasks listed 3541 to 3550.
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Calculate the number 4380

NUMBERMANIA: Calculate the number 4380 using numbers [9, 6, 1, 4, 39, 746] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 13
The first user who solved this task is Djordje Timotijevic.
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#brainteasers #math #numbermania
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Remove 6 letters from this seq...

Remove 6 letters from this sequence (MXATRHIOARCHUALLE) to reveal a familiar English word.
Correct answers: 34
The first user who solved this task is Djordje Timotijevic.
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#brainteasers #wordpuzzles
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Find number abc

If ac046 + cbac9 = 36a6b find number abc. Multiple solutions may exist.
Correct answers: 39
The first user who solved this task is Djordje Timotijevic.
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#brainteasers #math

A doctor told his patient afte...

A doctor told his patient after reviewing his x-rays he needed surgery costing $5000.
The patient said he only had $500.00 and what could be done.
The doctor said, "Well, I can always touch-up your x-rays."
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Replace asterisk symbols with ...

Replace asterisk symbols with a letters (*** **AS*) and guess the name of musician band. Length of words in solution: 3,5.
Correct answers: 18
The first user who solved this task is Djordje Timotijevic.
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#brainteasers #music
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Find a famous person

Find the first and the last name of a famous person. Text may go in all 8 directions. Length of words in solution: 6,10.
Correct answers: 25
The first user who solved this task is Djordje Timotijevic.
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#brainteasers #wordpuzzles
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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: 38
The first user who solved this task is Djordje Timotijevic.
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#brainteasers #mastermind
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Chess Knight Move

Find the title of novel, using the move of a chess knight. First letter is T. Length of words in solution: 3,3,4,7.
Correct answers: 25
The first user who solved this task is Djordje Timotijevic.
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#brainteasers #wordpuzzles #chessknightmove
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Calculate the number 2070

NUMBERMANIA: Calculate the number 2070 using numbers [7, 5, 6, 4, 93, 221] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 15
The first user who solved this task is Djordje Timotijevic.
CHECK ANSWER
#brainteasers #math #numbermania
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Guess the name of musician

Look carefully caricature and guess the name of musician.
Correct answers: 30
The first user who solved this task is Djordje Timotijevic.
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#brainteasers #music
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Remove 3 letters from this seq...

Remove 3 letters from this sequence (HUISVBAHND) to reveal a familiar English word.
Correct answers: 52
The first user who solved this task is Djordje Timotijevic.
CHECK ANSWER
#brainteasers #wordpuzzles
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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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Edison patent

In 1907, Thomas A. Edison was issued a patent for a "Diaphragm for Talking-Machines" (U.S. No. 855,562) that "will be readily responsive to vibrations of comparatively great amplitude." The invention comprised a duplex diaphragm made of at least two disks, each of which is radially sloted so that each disk constitutes a series of reeds. By staggering the slots of the disks, a continuous surface is presented for actuating the sound waves. The disks, made of mica about one-thousandth of an inch thick, are cemented together with an elastic cement, such as a solution of gum rubber.
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