BRAIN TEASERS
Monthly Archive - March 2025

Monthly Archive - March 2025

brain teasers, puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 1 to 10.
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Calculate the number 898

NUMBERMANIA: Calculate the number 898 using numbers [1, 9, 9, 9, 76, 286] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 0
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#brainteasers #math #numbermania
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Find number abc

If 8cbb8 - 7ab22 = bcab find number abc. Multiple solutions may exist.
Correct answers: 0
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: 0
CHECK ANSWER
#brainteasers #mastermind

The Sailor and the computer

A retired sailor purchased a computer and began to learn all about computing. Being a sailor, he was used to addressing his ships as "She" or "Her". But was unsure what was proper for computers.

To solve his dilemma, he set up two groups of computer experts: one group was male, and the other group was female.

The group of women reported that computers should be refereed to as "HE" because:

1. In order to get their attention you have to turn them on. 2. They have a lot of data but are still clueless. 3. They are supposed to help you solve problems but half the time they are the problem. 4. As soon as you commit to one, you realise that if you had waited a little longer, you could have had a newer and better model.

The group of men reported that computers should be refered to as "SHE" because:

1. No one but the creator understands their logic. 2. The native language they use to talk to other computers is incomprehensible to anyone else. 3. Even your smallest mistakes are stored in long term memory for later retrieval. 4. As soon as you make a commitment to one, you find yourself spending half your paycheck on accessories for it.

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Calculate the number 758

NUMBERMANIA: Calculate the number 758 using numbers [3, 3, 9, 4, 88, 379] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 0
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 (12, 14, 21, 28, 30, 37, 40, 53, 55, 62) 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: 0
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#brainteasers #math #magicsquare
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Find number abc

If 8c3c0 - 33b88 = b78aa find number abc. Multiple solutions may exist.
Correct answers: 0
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: 0
CHECK ANSWER
#brainteasers #mastermind
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Calculate the number 5613

NUMBERMANIA: Calculate the number 5613 using numbers [6, 8, 8, 9, 60, 271] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 0
CHECK ANSWER
#brainteasers #math #numbermania
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Find number abc

If b8a72 - cac31 = 37441 find number abc. Multiple solutions may exist.
Correct answers: 0
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: 0
CHECK ANSWER
#brainteasers #mastermind
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Duryea automobile

In 1895, the Duryea Motor Wagon Company became the first American auto manufacturer to open for business. In 1893, Frank Duryea and his brother, Charles, designed what is believed to be the first gasoline-powered automobile built in the U.S. Since it didn't need a horse, it was called a “horseless carriage,” which took its first short test drive in Springfield, Mass. Although the first in the U.S. auto business, the Duryeas did not develop into a major manufacturer.«
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