BRAIN TEASERS
The Most Difficult Tasks (page 198)

The Most Difficult Tasks (page 198)

puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 1971 to 1980.
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Calculate the number 2432

NUMBERMANIA: Calculate the number 2432 using numbers [5, 6, 7, 7, 30, 158] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 12
The first user who solved this task is Nílton Corrêa De Sousa.
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#brainteasers #math #numbermania
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MAGIC SQUARE: Calculate A*B-C

The aim is to place the some numbers from the list (3, 4, 10, 14, 15, 21, 33, 42, 70, 71, 77, 88) 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: 12
The first user who solved this task is Nasrin 24 T.
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#brainteasers #math #magicsquare
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MAGIC SQUARE: Calculate A-B+C

The aim is to place the some numbers from the list (9, 13, 15, 16, 18, 20, 21, 33, 35, 36, 75, 90) 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: 12
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #math #magicsquare

Pete Lee: Making Love in a Car Wash

I was reading this article the other day, and it said, The perfect way to spice up your love life is to make love in a car wash. Let me tell you guys from experience -- no, it is not. Its also the perfect way to ruin a church fundraiser.
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Calculate the number 4498

NUMBERMANIA: Calculate the number 4498 using numbers [3, 6, 5, 8, 66, 497] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 12
The first user who solved this task is Nílton Corrêa De Sousa.
CHECK ANSWER
#brainteasers #math #numbermania
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Calculate the number 4104

NUMBERMANIA: Calculate the number 4104 using numbers [1, 9, 5, 8, 90, 325] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 12
The first user who solved this task is Nílton Corrêa De Sousa.
CHECK ANSWER
#brainteasers #math #numbermania
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MAGIC SQUARE: Calculate A-B-C

The aim is to place the some numbers from the list (2, 4, 6, 17, 19, 21, 47, 70, 72, 74, 88, 90) 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: 12
The first user who solved this task is Nílton Corrêa De Sousa.
CHECK ANSWER
#brainteasers #math #magicsquare
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Calculate the number 4501

NUMBERMANIA: Calculate the number 4501 using numbers [6, 6, 2, 9, 39, 698] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 12
The first user who solved this task is Djordje Timotijevic.
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#brainteasers #math #numbermania
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Replace asterisk symbols with ...

Replace asterisk symbols with a letters (**E S*****S) and guess the name of musician band. Length of words in solution: 3,7.
Correct answers: 12
The first user who solved this task is Djordje Timotijevic.
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#brainteasers #music
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Chess Knight Move

Find the title of novel, using the move of a chess knight. First letter is H. Length of words in solution: 6,3,3,3,2,7.
Correct answers: 12
The first user who solved this task is Djordje Timotijevic.
CHECK ANSWER
#brainteasers #wordpuzzles #chessknightmove
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Replace asterisk symbols with ...

Replace asterisk symbols with a letters (****I*G ***D*) and guess the name of musician band. Length of words in solution: 7,5.
Correct answers: 12
The first user who solved this task is Djordje Timotijevic.
CHECK ANSWER
#brainteasers #music
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East River Gas Tunnel

In 1892, the East River Gas Tunnel became the first completed tunnel under the East River, New York City, after two years' work. The connection was made between bores started from Long Island (26 Jun 1892) and on the New York side (10 Jul 1892). The Brooklyn Bridge over that river, opened 24 May 1883, took 13 years to build. The 2550-ft tunnel was designed to carry gas mains, not public traffic, and was built relatively smaller: 8½-ft high by 10½-ft wide. While finish work was done in the tunnel, a gas main was laid that first delivered gas on 15 Oct 1894. Illuminating gas from works on Long Island could then be distributed through Manhattan. The tunnelling success also provided practical knowledge enabling more tunnels under the East River. Work on four railroad tunnels commenced in 1904.«
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