BRAIN TEASERS
Monthly Archive - July 2022 (page 2)

Monthly Archive - July 2022 (page 2)

brain teasers, puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 11 to 20.
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Calculate the number 7724

NUMBERMANIA: Calculate the number 7724 using numbers [5, 7, 6, 4, 72, 992] 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 (14, 15, 19, 27, 28, 32, 40, 41, 45, 95) 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: 3
CHECK ANSWER
#brainteasers #math #magicsquare
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Find number abc

If b4c09 - cb9a2 = 2cc3a find number abc. Multiple solutions may exist.
Correct answers: 5
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#brainteasers #math

Problem With Gas

A little old lady goes to the doctor and says, "Doctor I have this problem with gas, but it really doesn't bother me too much because they never smell and are always silent. As a matter of fact, I've farted at least 20 times since I've been here in your office."
The doctor says, "I see, take these pills and come back to see me next week.
The next week the lady goes back to his office. "Doctor," she says, "I don't know what you gave me, but now my farts, although still silent, stink terribly!"

The doctor says, "Good, Now that we've cleared up your sinuses, let's work on your hearing."

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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: 9
CHECK ANSWER
#brainteasers #mastermind
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Calculate the number 595

NUMBERMANIA: Calculate the number 595 using numbers [5, 2, 8, 2, 52, 571] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 5
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#brainteasers #math #numbermania
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Find number abc

If b51ca - ba6b7 = 444c find number abc. Multiple solutions may exist.
Correct answers: 4
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 3628

NUMBERMANIA: Calculate the number 3628 using numbers [3, 4, 4, 8, 88, 980] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 3
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 (1, 2, 3, 4, 8, 10, 12, 13, 14, 20, 32, 44) 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 8b2a8 - cba60 = 29c18 find number abc. Multiple solutions may exist.
Correct answers: 9
CHECK ANSWER
#brainteasers #math
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Georgy Nikolaevich Flerov

Born 2 Mar 1913; died 19 Nov 1990 at age 77.Soviet physicist who, in 1941, recognized that uranium undergoes spontaneous fission (needing no neutron bombardment). He was one of the early Russian investigators of nuclear fission. In early 1942 , Flerov noticed that articles on nuclear fission were no longer appearing in western journals. Recognizing the implication that such research had become secret, he wrote to Premier Joseph Stalin, insisting that "we must build the uranium bomb without delay," (subsequently led by Igor V. Kurchatov.) In later research, Flerov announced synthesis of isotopes of element 104 (1965) and 106 (1974). Co-discoveries were made in the U.S. Several names were suggested. Eventually the adopted names were rutherfordium and seaborgium.«
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