BRAIN TEASERS
Brain Teasers (page 62)

Brain Teasers (page 62)

puzzles, riddles, mathematical problems, word games, mastermind, cinemania, music, sport... These are the tasks listed 611 to 620.
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Find number abc

If 4cc58 + 64c5a = bb4cbb find number abc. Multiple solutions may exist.
Correct answers: 0
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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: 1
CHECK ANSWER
#brainteasers #mastermind
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Calculate the number 2234

NUMBERMANIA: Calculate the number 2234 using numbers [2, 8, 2, 9, 70, 181] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 0
CHECK ANSWER
#brainteasers #math #numbermania

Cabbie

One dismal rainy night in Sydney a taxi driver spotted an arm waving from the shadows of an alley. Even before he rolled to a stop at the curb, a figure leaped into the cab and slammed the door.

Checking his rear view mirror as he pulled away, he was startled to see a dripping wet, naked woman sitting in the back seat.

'Where to?' he stammered.

'Kings Cross,' answered the woman.

'You got it,' he said, taking another long glance in the mirror.

The woman caught him staring at her and asked, 'Just what the hell are you looking at, driver?'

'Well, madam,' he answered, 'I was just wondering how you'll pay your fare.'

The woman spread her legs, put her feet up on the front seat, smiled at the driver and said,

'Does this answer your question?'

Still looking in the mirror, the cabbie asked, 'Got anything smaller?'

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Find number abc

If 6bc3a - 6a263 = 2bb1 find number abc. Multiple solutions may exist.
Correct answers: 1
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: 1
CHECK ANSWER
#brainteasers #mastermind
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Calculate the number 731

NUMBERMANIA: Calculate the number 731 using numbers [7, 7, 2, 5, 64, 795] 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 (2, 4, 8, 10, 11, 13, 15, 17, 22, 30, 36) 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 920c1 + 924c2 = 1a454b 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: 2
CHECK ANSWER
#brainteasers #mastermind
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Calculate the number 1316

NUMBERMANIA: Calculate the number 1316 using numbers [9, 2, 9, 4, 51, 711] 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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Illuminating gas

In 1875, inventor and scientist, Professor Thaddeus S.C. Lowe (1832-1913) patented a process for water gas production of "illuminating or heating gas." This gas making process fundamentally consists of the spraying of oil into water gas (blue gas) in a hot vessel for the purpose of increasing the calorific value of the gas. This carbureted water gas process was soon the most important manufactured gas in the United States of its time. He later invented a number of important and basic devices for use in atmospheric observation and metallurgical processing. Earlier, during the Civil War, he had created a military balloon force to spy on Confederate troops.
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