BRAIN TEASERS
Brain Teasers (page 274)

Brain Teasers (page 274)

puzzles, riddles, mathematical problems, word games, mastermind, cinemania, music, sport... These are the tasks listed 2731 to 2740.
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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: 32
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #mastermind
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Calculate the number 897

NUMBERMANIA: Calculate the number 897 using numbers [1, 2, 4, 5, 53, 209] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 19
The first user who solved this task is Nílton Corrêa De Sousa.
CHECK ANSWER
#brainteasers #math #numbermania
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Find number abc

If 8b76a - ab021 = c07bb find number abc. Multiple solutions may exist.
Correct answers: 31
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #math

Dentist

A guy and a girl meet at a bar. They get along so well that they decide to go to the girl's place.
A few drinks later, the guy takes off his shirt and then washes his hands.
He then takes of his trousers and washes his hands again.
The girl has been watching him and says, "You must be a dentist."
The guy, surprised, says "Yes! How did you figure that out?"
"Easy," she replied, "you keep washing your hands."
One thing led to another and they make love.
After they have done, the girl says, "You must be a good dentist."
The guy, now with a boosted ego says, "Sure, I'm a good dentist, How did you figure that out?"

"Didn't feel a thing!"

Jokes of the day - Daily updated jokes. New jokes every day.
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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: 24
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #mastermind
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Calculate the number 2254

NUMBERMANIA: Calculate the number 2254 using numbers [1, 5, 1, 7, 85, 470] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 13
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 (12, 14, 16, 34, 36, 38, 72, 74, 76, 82) 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: 15
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #math #magicsquare
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Find number abc

If 2188c + 7cbac = b87b2 find number abc. Multiple solutions may exist.
Correct answers: 25
The first user who solved this task is Nílton Corrêa De Sousa.
CHECK ANSWER
#brainteasers #math
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Calculate the number 1079

NUMBERMANIA: Calculate the number 1079 using numbers [2, 1, 2, 6, 87, 986] 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.
CHECK ANSWER
#brainteasers #math #numbermania
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Find number abc

If a70a0 - 11aa6 = 7b1c4 find number abc. Multiple solutions may exist.
Correct answers: 30
The first user who solved this task is Nílton Corrêa De Sousa.
CHECK ANSWER
#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: 24
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #mastermind
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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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VTOL plane

In 1954, the first test of a VTOL airplane takes place when a Convair XFY-1 Pogo demonstrated a vertical takeoff and landing. It was known as a "Tail Sitter," but as prototype to test the concept, its glory flared, and faded in a matter of months. The XFY-1 was a prototype of a point-defense interceptor fighter intended for the Navy. The sole virtue was that it didn't need a runway, for the XFY-1 was built to sit upright on its tail, and take off straight up, using enormous contra-rotating propellers on its nose. After takeoff, a Tail Sitter changed from helicopter style vertical flight to airplane by simply pushing over from the vertical ascent to conventional horizontal flight. In landing, the process was reversed to land on its tail. It was too difficult to fly.
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