BRAIN TEASERS
Brain Teasers (page 134)

Brain Teasers (page 134)

puzzles, riddles, mathematical problems, word games, mastermind, cinemania, music, sport... These are the tasks listed 1331 to 1340.
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MAGIC SQUARE: Calculate A*B-C

The aim is to place the some numbers from the list (2, 3, 10, 20, 21, 28, 48, 49, 56, 67, 73) 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: 2
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#brainteasers #math #magicsquare
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Find number abc

If ca1ca - 2c1bb = a700b find number abc. Multiple solutions may exist.
Correct answers: 6
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#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: 3
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#brainteasers #mastermind

The Priest and the Politician

A parish priest was being honored at a dinner on the twenty-fifth anniversary of his arrival in that parish. A leading local politician, who was a member of the congregation, was chosen to make the presentation and give a little speech at the dinner, but he was delayed in traffic, so the priest decided to say his own few words while they waited.
"You will understand," he said, "the seal of the confessional, can never be broken. However, I got my first impressions of the parish from the first confession I heard here. I can only hint vaguely about this, but when I came here twenty-five years ago I thought I had been assigned to a terrible place. The very first chap who entered my confessional told me how he had stolen a television set, and when stopped by the police, had almost murdered the officer. Further, he told me he had embezzled money from his place of business and had an affair with his boss's wife. I was appalled. But as the days went on I knew that my people were not all like that, and I had, indeed come to, a fine parish full of understanding and loving people."
Just as the priest finished his talk, the politician arrived full of apologies at being late. He immediately began to make the presentation and give his talk.
"I'll never forget the first day our parish priest arrived in this parish," said the politician. "In fact, I had the honor of being the first one to go to him in confession."
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Calculate the number 1008

NUMBERMANIA: Calculate the number 1008 using numbers [2, 8, 6, 6, 81, 850] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 1
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#brainteasers #math #numbermania
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Find number abc

If cb7cb - 47aa4 = 3cb61 find number abc. Multiple solutions may exist.
Correct answers: 2
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#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: 7
CHECK ANSWER
#brainteasers #mastermind
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Calculate the number 5783

NUMBERMANIA: Calculate the number 5783 using numbers [9, 7, 8, 2, 87, 736] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 1
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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, 7, 12, 14, 18, 23, 27, 31, 36, 65, 71) 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: 2
CHECK ANSWER
#brainteasers #math #magicsquare
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Find number abc

If 9a82b - 798ca = 1a967 find number abc. Multiple solutions may exist.
Correct answers: 3
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: 4
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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Alfred Lewis Vail

Born 25 Sep 1807; died 18 Jan 1859 at age 51.American telegraph pioneer and an associate and financial backer of Samuel F.B. Morse in the experimentation that made the telegraph a commercial reality. The final form of the Morse code was perfected by Vail who simplified the whole process by introducing the telegraph key. Vail is responsible for the efficiency of the code, using the principle that the most frequently sent letters should have the shortest code.
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