BRAIN TEASERS
The Easiest Tasks (page 658)

The Easiest Tasks (page 658)

puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 6571 to 6580.
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Find number abc

If 4c7b7 - c7ca2 = b4b5 find number abc. Multiple solutions may exist.
Correct answers: 1
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: 1
CHECK ANSWER
#brainteasers #mastermind
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Find number abc

If ba6aa - a0c91 = 1a2b6 find number abc. Multiple solutions may exist.
Correct answers: 1
CHECK ANSWER
#brainteasers #math

The Unacceptable Tax Return

This example shows the importance of accuracy when submitting your tax return. The IRS returned the Tax Return submitted by a New York City man implying that he answered one of the questions incorrectly.

In response to the question, 'List your dependents”, you wrote: '12.1 million illegal immigrants, 1.1 million crack-heads, 4.4 million unemployed deadbeats, 80,000 criminals in over 85 prisons, at least 450 idiots in Congress and those who call themselves Politicians.' The IRS responded that “this is unacceptable!”

The man's response to the IRS was: 'Who did I leave out?'

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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: 1
CHECK ANSWER
#brainteasers #mastermind
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Calculate the number 1669

NUMBERMANIA: Calculate the number 1669 using numbers [3, 5, 9, 6, 39, 344] 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 9c3bc - ccc0b = 19ab2 find number abc. Multiple solutions may exist.
Correct answers: 1
CHECK ANSWER
#brainteasers #math
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Find number abc

If a02b4 + 477c0 = cb7a44 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 4015

NUMBERMANIA: Calculate the number 4015 using numbers [8, 4, 1, 2, 90, 967] 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 8ccbc + 84aa2 = b64a42 find number abc. Multiple solutions may exist.
Correct answers: 1
CHECK ANSWER
#brainteasers #math
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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.
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X-ray movie

In 1937, films of moving X-ray images on a fluorescopic screen showing the movement of organs of the human body were shown at the American Roentgen Ray Society convention. in New York City. The images were filmed with a home 16-mm movie camera at 16 frames per second (reduced to 12 or 8 fps for thicker bodies). Two seconds exposure could capture two or three beats of the heart, the act of breathing, movements of the diaphragm or motion of joints. Film clip loops could be projected to show repeating motion. The films were made by Drs William H. Stewart, William J. Hoffman and Francis H. Ghiselin from Manhattan's Lenox Hill Hospital. They reported their technique at the previous year's convention.«
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