BRAIN TEASERS
Monthly Archive - May 2022 (page 3)

Monthly Archive - May 2022 (page 3)

brain teasers, puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 21 to 30.
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Find number abc

If ab6c3 + cbaaa = 69c68 find number abc. Multiple solutions may exist.
Correct answers: 5
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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: 8
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#brainteasers #mastermind
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Calculate the number 2914

NUMBERMANIA: Calculate the number 2914 using numbers [3, 6, 3, 9, 65, 761] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 2
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#brainteasers #math #numbermania

Alien Abduction

Harry, Bill and Steve are sitting at the corner bar enjoying themselves, when Ted walks in looking distressed.
"Ted, you look awful. What's wrong?" Harry asks.
Ted says, "Last night I got really drunk, and then somewhere between here and my house, I was abducted by an alien?"
Everyone is shocked. "I heard about this kind of thing happening!" Bills says. "What did the alien do to you?"
"I don't remeber all the details," Ted says. "All I remember is being anally probed by the alien."
Everyone is horrified. "I heard that they'll do that!" Steve says. "What did the alien look like?"
Ted responds, "Carl."
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Find number abc

If c5cba + c6084 = 5aba5 find number abc. Multiple solutions may exist.
Correct answers: 11
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#brainteasers #math
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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: 16
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#brainteasers #mastermind
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Calculate the number 3716

NUMBERMANIA: Calculate the number 3716 using numbers [6, 2, 4, 9, 72, 384] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 3
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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 (11, 13, 15, 20, 22, 24, 35, 37, 39, 72, 73, 97) 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: 4
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#brainteasers #math #magicsquare
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Find number abc

If 4a72c + 1717a = c59b4 find number abc. Multiple solutions may exist.
Correct answers: 7
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: 8
CHECK ANSWER
#brainteasers #mastermind
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Calculate the number 8296

NUMBERMANIA: Calculate the number 8296 using numbers [3, 9, 8, 8, 78, 640] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 2
CHECK ANSWER
#brainteasers #math #numbermania
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Roy Kerr

Born 16 May 1934.Roy P(atrick) Kerr is a New Zealander mathematician who solved (1963) Einstein's field equations of general relativity to describe rotating black holes, thus providing a major contribution to the field of astrophysics. He deduced a unique two-parameter family of solutions which describes the space-time around black holes in July 1963. The two parameters are the mass of the black hole and the angular momentum of the black hole. (The static solution, with zero angular momentum, was discovered by Karl Schwarzschild in Dec 1915.) Rotating black holes are often called Kerr Black Holes. He showed that there is a vortex-like region outside the event horizon, called the ergo-region, that drags space and time around with the rotating black hole.
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