BRAIN TEASERS
Brain Teasers (page 97)

Brain Teasers (page 97)

puzzles, riddles, mathematical problems, word games, mastermind, cinemania, music, sport... These are the tasks listed 961 to 970.
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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: 3
CHECK ANSWER
#brainteasers #mastermind
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Calculate the number 7983

NUMBERMANIA: Calculate the number 7983 using numbers [9, 1, 8, 3, 36, 867] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 1
CHECK ANSWER
#brainteasers #math #numbermania
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Find number abc

If 647b2 - 62cb1 = 18a1 find number abc. Multiple solutions may exist.
Correct answers: 8
CHECK ANSWER
#brainteasers #math

A man comes home from a night...

A man comes home from a night of drinking with the boys. As he falls through the doorway of his house, his wife snaps at him, “what’s the big idea coming home half drunk?” The man replies, “I’m sorry, honey. I ran out of money.”
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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: 3
CHECK ANSWER
#brainteasers #mastermind
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Calculate the number 1941

NUMBERMANIA: Calculate the number 1941 using numbers [8, 3, 6, 6, 40, 577] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 1
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 (9, 10, 13, 14, 15, 18, 24, 25, 28, 62) 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: 1
CHECK ANSWER
#brainteasers #math #magicsquare
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Find number abc

If c6411 + 1cb2b = 4a4c1 find number abc. Multiple solutions may exist.
Correct answers: 1
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: 3
CHECK ANSWER
#brainteasers #mastermind
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Calculate the number 959

NUMBERMANIA: Calculate the number 959 using numbers [1, 5, 8, 1, 98, 857] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 1
CHECK ANSWER
#brainteasers #math #numbermania
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Find number abc

If ac506 + 3c366 = 7ab7c find number abc. Multiple solutions may exist.
Correct answers: 2
CHECK ANSWER
#brainteasers #math
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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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Edison patent

In 1898, Thomas A. Edison was issued a patent for a “Governor for Motors” (No. 604,740) which he described as a “means for adjusting the governor for any desired speed, and with the means, such as centrifugal governor-balls, for regulating the friction members to maintain a constant speed.”
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