BRAIN TEASERS
The Most Difficult Tasks (page 220)

The Most Difficult Tasks (page 220)

puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 2191 to 2200.
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Replace asterisk symbols with ...

Replace asterisk symbols with a letters (**B*R* **A**) and guess the name of musician. Length of words in solution: 6,5.
Correct answers: 15
The first user who solved this task is Thinh Ddh.
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#brainteasers #music
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Can you decrypt hidden text?

Look carefully image and try to decrypt hidden text.
Correct answers: 15
The first user who solved this task is Sanja Šabović.
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#brainteasers #wordpuzzles
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What represents the following ...

What represents the following text 25PNLT100?
Correct answers: 15
The first user who solved this task is Sanja Šabović.
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#brainteasers #riddles

A male ostrich was chasing two...

A male ostrich was chasing two female ostriches. The one female said to the other, "He's starting to gain on us, we better hide!" So, they stopped and stuck their heads in the sand.
The male ostrich said, "...Hey, where'd they go?"
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Decrypt the message

Can you decrypt hidden message (1234 25 67829A 6H29A5 6F 544 23 6H48 VF7T)?
Correct answers: 15
The first user who solved this task is Donya Sayah30.
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#brainteasers #wordpuzzles #riddles
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Can you decrypt hidden message?

Look carefully image and try to decrypt hidden message.
Correct answers: 15
The first user who solved this task is Erkain Mahajanian.
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#brainteasers
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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: 16
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#brainteasers #mastermind
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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: 16
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#brainteasers #mastermind
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Find number abc

If 70c93 - 27b17 = 4337a find number abc. Multiple solutions may exist.
Correct answers: 16
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#brainteasers #math
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Calculate the number 958

NUMBERMANIA: Calculate the number 958 using numbers [4, 3, 9, 6, 31, 552] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 16
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#brainteasers #math #numbermania
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Find number abc

If caa3c - 5ab5a = 4b187 find number abc. Multiple solutions may exist.
Correct answers: 16
The first user who solved this task is Nasrin 24 T.
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#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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U.S. Electrical units

In 1894, eight units for the measurement of electrical magnitudes were adopted in U.S. law when President Grover Clevelandsigned an Act of Congress “to define and establish the units of electrical measure” for the ohm, ampere, volt, coulomb, farad, joule, watt and henry. It was specified to be “the duty of the Academy of Sciences to prescribe ... such specifications of details as shall be necessary for the practical application of the definitions.” The Act followed anInternational Congress held at Chicago in 1893, in connection with the World's Fair. There, a Chamber of Delegates from various nations deliberated on the definitions. The International Congress was largely due to the Institute of Electrical Engineers and to local societies in the city of Chicago.«
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