BRAIN TEASERS
Monthly Archive - August 2023 (page 2)

Monthly Archive - August 2023 (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 791

NUMBERMANIA: Calculate the number 791 using numbers [1, 5, 5, 3, 21, 767] 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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Find number abc

If 7cb6b + ab276 = 1188a1 find number abc. Multiple solutions may exist.
Correct answers: 1
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#brainteasers #math
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What a winning 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: 6
CHECK ANSWER
#brainteasers #mastermind

Moving Testimony

The second guy says, "I would like to hear that I was a wonderful husband and school teacher which made a huge difference in our children of tomorrow."
The last guy replies, "I would like to hear them say, 'Look! He's moving!'"

Jokes of the day - Daily updated jokes. New jokes every day.
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Calculate the number 9378

NUMBERMANIA: Calculate the number 9378 using numbers [3, 1, 3, 2, 49, 204] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 1
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 (2, 7, 9, 13, 14, 19, 20, 67, 72, 78) 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: 1
CHECK ANSWER
#brainteasers #math #magicsquare
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Find number abc

If c9cba - c9ca4 = 19 find number abc. Multiple solutions may exist.
Correct answers: 12
CHECK ANSWER
#brainteasers #math
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Calculate the number 631

NUMBERMANIA: Calculate the number 631 using numbers [1, 4, 8, 8, 83, 323] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 1
CHECK ANSWER
#brainteasers #math #numbermania
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Find number abc

If c0bbc + 94c58 = a2502a find number abc. Multiple solutions may exist.
Correct answers: 2
CHECK ANSWER
#brainteasers #math
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What a winning 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: 4
CHECK ANSWER
#brainteasers #mastermind
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Calculate the number 6416

NUMBERMANIA: Calculate the number 6416 using numbers [7, 3, 8, 3, 58, 625] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 1
CHECK ANSWER
#brainteasers #math #numbermania
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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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