BRAIN TEASERS
Monthly Archive - March 2022 (page 3)

Monthly Archive - March 2022 (page 3)

brain teasers, puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 21 to 30.
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Calculate the number 659

NUMBERMANIA: Calculate the number 659 using numbers [7, 1, 3, 8, 69, 740] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 6
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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 (4, 8, 14, 19, 23, 29, 30, 34, 40, 61) 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
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#brainteasers #math #magicsquare
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Find number abc

If 986cb + 39b5b = a38384 find number abc. Multiple solutions may exist.
Correct answers: 12
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#brainteasers #math

3 spies are captured and imprisoned...

An american, a russian, and an italian.

The guards come for the american, bind his hands and drag him off. The other 2 hear his screams for sn hour, then nothing. In another hour the guards drag him back in, cut his bonds and dump him on a bunk. "All my training was for nothing, i told them everything."

They take the russian bind his ha ds and drag him out. And for 4 hours the others hear screaming, then nothing. In Another hour, the guards drag the russian back in, cut him loose crying. I yhought after a life in rusdia i had suffered the worst but it was nothing compared to what they did. I told them everything.

The guards then took the italian, bound him, and dragged him out. All day, and all night the others listen to his screams. After what seemed like forever the guards dragged the italian back in, cut him loose and dump him.

The russian says"you must be the toughest man on earth!"

The american says "how did you not break?"

The italian says, "i wanted to, i tried to tell them everything. But they wouldn't untie my hands!!!

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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: 11
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#brainteasers #mastermind
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Calculate the number 8843

NUMBERMANIA: Calculate the number 8843 using numbers [2, 9, 1, 5, 22, 794] 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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Find number abc

If bb122 - b24cb = cbab find number abc. Multiple solutions may exist.
Correct answers: 6
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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
CHECK ANSWER
#brainteasers #mastermind
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Calculate the number 1383

NUMBERMANIA: Calculate the number 1383 using numbers [2, 9, 3, 6, 44, 570] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 2
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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 (10, 11, 15, 16, 19, 24, 56, 57, 65, 92) 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 8bc39 - 754a3 = 48c6 find number abc. Multiple solutions may exist.
Correct answers: 8
CHECK ANSWER
#brainteasers #math
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Tzar DNA identified

In 1993, British and Russian scientists using DNA genetic fingerprinting tests, identified the bone fragments discovered in Ekaterinburg in 1979 to be those of the Russian Tzar Nicholas II and members of his family executed on 17 July 1918. This was work done by Drs. Peter Gill and Kevin Sullivan of the British Forensic Science Service in Birmingham. However, a slight ambiguity remained for the identification of the Tzar until a heteroplasmy was confirmed. Additional mitochondrial DNA (MtDNA) testing was carried in 1995 out by the US Armed Forces DNA Identification Laboratory (AFDIL) who identified the Tzar using sequence analysis and comparison of the profiles with remains of Georgij Romanov, the Tzar's younger brother, exhumed in 1994. They shared the same rare genetic partial mutation called heteroplasmy. Together with with other physical and circumstantial data, this provided indisputable evidence for identification of the Tzar.
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