BRAIN TEASERS
Monthly Archive - July 2021 (page 2)

Monthly Archive - July 2021 (page 2)

brain teasers, puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 11 to 20.
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Find number abc

If 8caca - 1783b = ba3bb find number abc. Multiple solutions may exist.
Correct answers: 19
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#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: 22
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #mastermind
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Calculate the number 1657

NUMBERMANIA: Calculate the number 1657 using numbers [4, 2, 8, 2, 27, 843] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 13
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #math #numbermania

The $5,000,000 question....

Bob had finally made it to the last round of the $5,000,000 Question. The night before the big question, he told the M.C. that he desired a question on American History.

The big night had arrived. Bob made his way on stage in front of the studio and TV audience. He had become the talk of the week. He was the best guest this show had ever seen. The M.C. stepped up to the mic.

"Bob, you have chosen American History as your final question. You know that if you correctly answer this question, you will walk away $5,000,000 dollars richer. Are you ready?"

Bob nodded with a cocky confidence-the crowd went nuts. He hadn't missed a question all week.

"Bob, your question on American History is a two-part question. As you know, you may answer either part first. As a rule, the second half of the question is always easier. Which part would you like to take a stab at first?"

Bob was now becoming more noticeably nervous. He couldn't believe it, but he was drawing a blank. American History was his easiest subject, but he played it safe. "I'll try the easier part first."

The M.C. nodded approvingly. "Here we go Bob. I will ask you the second half first, then the first half."

The audience silenced with gross anticipation . . .

"Bob, here is your question: And in what year did it happen??"

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Find number abc

If 69ba6 - c8a7b = 2aacb find number abc. Multiple solutions may exist.
Correct answers: 18
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#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
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #mastermind
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Calculate the number 510

NUMBERMANIA: Calculate the number 510 using numbers [4, 2, 3, 4, 95, 834] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 11
The first user who solved this task is Nasrin 24 T.
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 (6, 7, 9, 20, 21, 23, 26, 28, 29, 31, 86) 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: 9
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #math #magicsquare
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Find number abc

If 466a6 - 44bbc = 257c find number abc. Multiple solutions may exist.
Correct answers: 26
The first user who solved this task is Nasrin 24 T.
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: 21
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #mastermind
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Calculate the number 744

NUMBERMANIA: Calculate the number 744 using numbers [6, 7, 3, 5, 80, 294] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 13
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #math #numbermania
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Audouin Dollfus

Born 12 Nov 1924.French astronomer who was the successor to Bernard Lyot as the principal French authority on the solar system. Dollfus made several balloon flights for high-altitude observations, including the first stratospheric ascension in France. On the basis of comparative light-polarizing qualities, he concluded that the surface material of Mars consists of pulverized limonite (an iron oxide, Fe2O3) and prepared a map of Venus showing what he believed to be permanent features. On 15 Dec 1966, he discovered Saturn's tenth known satellite, Janus. Subsequently lost, it is now accepted to be satellite 1980S1 orbiting Saturn in an almost circular orbit of radius 151,472 km in a period of 0.69433 days. A small satellite of diameter no more than 220 km, Janus is a co-orbital satellite with Epimetheus.
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