BRAIN TEASERS
The Most Difficult Tasks (page 676)

The Most Difficult Tasks (page 676)

puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 6751 to 6760.
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A boy is twice as old as his...

A boy is twice as old as his sister, and half as old as their father. In 50 years, his sister will be half as old as their father. How old is the boy now?
Correct answers: 66
The first user who solved this task is Sanja Šabović.
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#brainteasers #math #riddles
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Guess the name of musician

Look carefully caricature and guess the name of musician.
Correct answers: 66
The first user who solved this task is FC Viñas.
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#brainteasers #music
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Remove 5 letters from this seq...

Remove 5 letters from this sequence (AENCODDIUNTIERS) to reveal a familiar English word.
Correct answers: 66
The first user who solved this task is On On Lunarbasil.
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#brainteasers #wordpuzzles

Group swimmers at the Olympics

Group swimmers at the Olympics aren't given much choice.
For them, it's synchro swim.
Jokes of the day - Daily updated jokes. New jokes every day.
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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: 66
The first user who solved this task is On On Lunarbasil.
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#brainteasers #mastermind
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Chess Knight Move

Find the country and its capital city, using the move of a chess knight. First letter is J. Length of words in solution: 6,5.
Correct answers: 66
The first user who solved this task is Djordje Timotijevic.
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#brainteasers #wordpuzzles #chessknightmove
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Chess Knight Move

Find the country and its capital city, using the move of a chess knight. First letter is Z. Length of words in solution: 6,6.
Correct answers: 66
The first user who solved this task is On On Lunarbasil.
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#brainteasers #wordpuzzles #chessknightmove
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What is hidden in the photo?

What is hidden in the photo?
Correct answers: 66
The first user who solved this task is Donya Sayah30.
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#brainteasers #riddles
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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: 66
The first user who solved this task is Donya Sayah30.
CHECK ANSWER
#brainteasers #mastermind
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Find number abc

If 6c086 - 4b709 = c8a77 find number abc. Multiple solutions may exist.
Correct answers: 66
The first user who solved this task is Roxana zavari.
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#brainteasers #math
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Find number abc

If ca73a - baa62 = ba66c find number abc. Multiple solutions may exist.
Correct answers: 66
The first user who solved this task is Sanja Šabović.
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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Guillaume Amontons

Died 11 Oct 1705 at age 42 (born 31 Aug 1663).French physicist who developed the air thermometer - which relies on increase in volume of a gas (rather than a liquid) with temperature - and used it (1702) to measure change in temperature in terms of a proportional change in pressure. This observation led to the concept of absolute zero in the19th century. Deaf since childhood, Amontons worked on inventions for the deaf, such as the first telegraph, which relied on a telescope, light, and several stations to transmit information over large distances. Amontons' laws of friction, relied upon by engineers for 300 years, state that the frictional force on a body sliding over a surface is proportional to the load that presses them together and is also independent of the areas of the surfaces.
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