BRAIN TEASERS
Monthly Archive - October 2023 (page 3)

Monthly Archive - October 2023 (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 2ca9c + 30690 = 59bcc 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: 3
CHECK ANSWER
#brainteasers #mastermind
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Calculate the number 5371

NUMBERMANIA: Calculate the number 5371 using numbers [9, 5, 7, 6, 33, 370] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 1
CHECK ANSWER
#brainteasers #math #numbermania

Drunk test

A police officer pulls over this guy who's been weaving in and out of the lanes. He goes up to the guy's window and says, "Sir, I need you to blow into this breathalyzer tube."

The man says, "Sorry, officer, I can't do that. I am an asthmatic. If I do that, I'll have a really bad asthma attack."

"Okay, fine. I need you to come down to the station to give a blood sample."

"I can't do that either. I am a hemophiliac. If I do that,I'll bleed to death."

"Well, then, we need a urine sample."

"I'm sorry, officer, I can't do that either. I am also a diabetic. If I do that, I'll get really low blood sugar."

"All right, then I need you to come out here and walk this white line."

"I can't do that, officer."

"Why not?"

"Because I'm drunk."

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Find number abc

If b7c07 + 6acba = 11cbac 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: 2
CHECK ANSWER
#brainteasers #mastermind
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Calculate the number 1384

NUMBERMANIA: Calculate the number 1384 using numbers [9, 9, 7, 4, 27, 639] 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 (6, 7, 12, 24, 25, 30, 36, 37, 42, 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
CHECK ANSWER
#brainteasers #math #magicsquare
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Find number abc

If bc32b + c2584 = abacaa find number abc. Multiple solutions may exist.
Correct answers: 4
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: 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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David Marine

Born 20 Sep 1888; died 6 Nov 1976 at age 88. American pathologist whose substantial research on the treatment of goitre with iodine led to the iodizing of table salt. During 1917-22 he ran a trial on a large group of schoolgirls to show that an iodine supplement dramatically reduced the incident of goitre (a major swelling of the thyroid gland in the neck). His results clearly showed the important of iodine in the diet. Dr. David. M. Cowie promoted the production of iodized table salt, first sold on 1 May 1924, and later throughout the U.S., greatly reducing the incidence of goitre. Marine worked on salt iodization for the World Health Organization, further spreading its benefits. (As early as 1821 French chemist Jean-Baptiste Boussingault had observed that iodine-rich salt could treat goiter.)«
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