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

I'm Working

Just seen a burglar kicking his own door in.
I asked: “What are you doing?”
He said: “Working from home.”

Jokes of the day - Daily updated jokes. New jokes every day.
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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
CHECK ANSWER
#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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Dental chair patent

In 1848, the first U.S. patent for a surgical or dental operating-chair with adjustable elevation and tilt of the seat and back was issued to M.W. Hanchett of Syracuse, N.Y. (No. 5711). The chair included a footrest with adjustable elevation.[Image: top - full view of seat and foot rest; bottom - detail of tilt cogs beneath seat.]
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