BRAIN TEASERS
Monthly Archive - April 2014

Monthly Archive - April 2014

brain teasers, puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 1 to 10.
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Decrypt divide and determine the value of the number ABCD

Decrypt divide and determine the value of the number ABCD
Correct answers: 31
The first user who solved this task is Djordje Timotijevic.
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#brainteasers #math
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CINEMANIA: Guess the movie title

A group of professional bank robbers start to feel the heat from police when they unknowingly leave a clue at their latest heist. Film was made in 1995.
Correct answers: 60
The first user who solved this task is Djordje Timotijevic.
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#brainteasers #movie #film #cinemania
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What number should replace the X to the magic square?

What number should replace the X to the magic square? Author: Nebojsa Jevtovic
Correct answers: 60
The first user who solved this task is Sanja Šabović.
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#brainteasers #math #riddles #magicsquare

Generation gap?

During one "generation gap" quarrel with his parents young Michael cried, "I want excitement, adventure, money, and beautiful women. I'll never find it here at home, so I'm leaving. Don't try and stop me!"

With that he headed toward the door. His father rose and followed close behind.

"Didn't you hear what I said? I don't want you to try and stop me."

"Who's trying to stop you?" replied his father. "If you wait a minute, I'll go with you."

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Which is a winning combination of digits?

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: 75
The first user who solved this task is Sanja Šabović.
CHECK ANSWER
#brainteasers #mastermind
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Decrypt multiplication and determine the value of the number ABA

Decrypt multiplication and determine the value of the number ABA
Correct answers: 50
The first user who solved this task is Djordje Timotijevic.
CHECK ANSWER
#brainteasers #math
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Calculate the number 4460

NUMBERMANIA: Calculate the number 4460 using numbers [1, 1, 4, 7, 63, 804] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 33
The first user who solved this task is Sanja Šabović.
CHECK ANSWER
#brainteasers #math #numbermania
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Decrypt multiplication and determine the value of the number ABCD

Decrypt multiplication and determine the value of the number ABCD
Correct answers: 33
The first user who solved this task is Sanja Šabović.
CHECK ANSWER
#brainteasers #math
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CINEMANIA: Guess the movie title

Because of his insistence that his companion is an invisible six-foot rabbit, a whimsical middle-aged man is thought by his family to be insane - but the man might be wiser than anyone knows. Film was made in 1950.
Correct answers: 56
The first user who solved this task is Djordje Timotijevic.
CHECK ANSWER
#brainteasers #movie #film #cinemania
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GUESS THE NUMBER: When you increase this four-digit number four times you got the same number in reverse order

GUESS THE NUMBER: When you increase this four-digit number four times you got the same number in reverse order
Correct answers: 71
The first user who solved this task is Sanja Šabović.
CHECK ANSWER
#brainteasers #math
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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: 79
The first user who solved this task is Sanja Šabović.
CHECK ANSWER
#brainteasers #mastermind
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Juan de la Cierva

Born 21 Sep 1895; died 19 Dec 1936 at age 41.Juan de la Cierva (Codorniu) was a Spanish aeronautical engineer who invented the autogiro (1923), a predecessor to the helicopter. Its rotor, mounted on a mast, was not powered but provided lift by auto-rotation. Power was provided by a forward-mounted engine and a conventional propeller. Flight was controlled by elevators, a rudder, and usually ailerons, though some roll control could be achieved by adjusting the tilt of the rotor head. Unlike the later helicopters, it could not take off vertically nor hover though it could takeoff and land in a much shorter distance, it could. However, if an autogiro lost power, it could spin safely back down to earth like a maple seed. He died in a fixed-wing plane accident.«
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