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
CHECK ANSWER
#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

Quit Smoking

A young couple had been married for a couple of months, but the man was always after his wife to quit smoking.
One afternoon, she lit up after some love making, and he said, "You really ought to quit."
She, getting tired of his nagging, said, "I really enjoy a good cigarette after sex."
He replied, "But they stunt your growth."
She asked if he ever smoked, and he replied he never had.
Smiling and lifting her gaze to his groin, she said, "So, what's your excuse?"  

Jokes of the day - Daily updated jokes. New jokes every day.
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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
CHECK ANSWER
#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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Channel tunnel proposed

In 1855, a proposal for a tunnel under the English Channel was reported in the New York Daily Times, which, according to French engineer M. Loèpold Favre, would in five years connect Boulogne to Dover. The 18½ mile (30-km) tunnel under the Channel would also need about 1½ mile (2-km) under the shores for each approach at the ends. Excavated at no less than 82-ft (25-m) below the sea bed, the tunnel would be lined with a double arch: one of granite and impermeable cement and an inner arch of thin, iron plates with perforations to reveal even slight leakage. Instead of smoke-producing locomotives, an atmospheric railway using a compressed air tube would carry passengers and freight such as coal. Ventilation shafts would rise above the highest water level in islands formed by excavated rock.«
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