BRAIN TEASERS
Monthly Archive - November 2018

Monthly Archive - November 2018

brain teasers, puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 1 to 10.
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Calculate the number 555

NUMBERMANIA: Calculate the number 555 using numbers [9, 1, 5, 1, 73, 633] 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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MAGIC SQUARE: Calculate A-B*C

The aim is to place the some numbers from the list (1, 3, 4, 16, 18, 19, 31, 33, 34, 72, 74, 83, 94) 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: 11
The first user who solved this task is Djordje Timotijevic.
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#brainteasers #math #magicsquare
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Find number abc

If 91c33 - cab71 = 4a8b2 find number abc. Multiple solutions may exist.
Correct answers: 30
The first user who solved this task is Djordje Timotijevic.
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#brainteasers #math

Walking on Water

A rabbi, priest, and a minister are out fishing in a boat on a big lake when the priest realizes that he has to go to the bathroom. Not wanting to disturb the fishing of the others in the boat by having them take him to shore, he gets out of the boat and walks across the water to do his business and then returns to the boat.A little while later the minister has to go also and he does the same. He walks across the water, does his business and returns across the water to the boat. Finally the rabbi feels the urge to go to the bathroom too, so he climbs out of the boat. But instead of walking across the water, he falls into the water and starts to wildly splash around. The priest and the minister finally drag the rabbi back into the boat and the priest turns to the minister and says, "Maybe we should have told him where the rocks were."
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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: 28
The first user who solved this task is Djordje Timotijevic.
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#brainteasers #mastermind
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Calculate the number 5436

NUMBERMANIA: Calculate the number 5436 using numbers [1, 7, 4, 8, 96, 584] 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.
CHECK ANSWER
#brainteasers #math #numbermania
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Find number abc

If 9ac6a - 20ab5 = bc889 find number abc. Multiple solutions may exist.
Correct answers: 29
The first user who solved this task is Djordje Timotijevic.
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#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: 23
The first user who solved this task is Djordje Timotijevic.
CHECK ANSWER
#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: 2,4,1,11.
Correct answers: 15
The first user who solved this task is Djordje Timotijevic.
CHECK ANSWER
#brainteasers #wordpuzzles #chessknightmove
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Calculate the number 782

NUMBERMANIA: Calculate the number 782 using numbers [6, 5, 8, 6, 45, 171] 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.
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 (10, 11, 12, 32, 33, 34, 69, 70, 71, 85, 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 Djordje Timotijevic.
CHECK ANSWER
#brainteasers #math #magicsquare
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Daniel Quare

Died 21 Mar 1724 (born c. 1648).English clockmaker who was one of the most eminent of his time, with wealthy clients for his clocks, barometers and mathematical instruments. In 1680, he invented a repeating pocket watch mechanism which struck the nearest hour and quarter hour on a bell inside the case when a pin was pushed, thus giving the time even in the dark. On 2 Aug 1695 he received a patent for a portable weather-glass (barometer) which "may be removed and transported to any place, though turned upside down, without spilling one drop of the quicksilver, or letting any air into the tube." Quare's elegant barometers had a wooden or ivory column resting on brass feet, with a brass compartment with a glass front to read the measurement scales at the top of the barometric tube.«[Image: Repeating pocket watch by Quare, circa 1700]
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