BRAIN TEASERS
The Easiest Tasks (page 19)

The Easiest Tasks (page 19)

puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 181 to 190.
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You enter a small room. Door...

You enter a small room. Doors close. When the doors open you are in a different place. What room are you in?
Correct answers: 163
The first user who solved this task is Roxana zavari.
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#brainteasers #riddles
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Find the value of the next number

Look at the series (325, 446, 567, 688, 709, ...), determine the pattern, and find the value of the next number.
Correct answers: 162
The first user who solved this task is Vladimir Krnac.
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#brainteasers #math
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What connects the following words?

What connects the following words?
Correct answers: 162
The first user who solved this task is Eric Newton.
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#brainteasers #wordpuzzles #riddles

Animal Lives

Q: What has more lives than a cat?
A: A frog -- it croaks every night.
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What number comes next?

Look at the series (1,9,5,49,11,169,17), determine the pattern, and find the value of the next number!
Correct answers: 161
The first user who solved this task is Djordje Timotijevic.
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#brainteasers #math
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What is the missing number?

What is the missing number?
Correct answers: 160
The first user who solved this task is Fazil Hashim.
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#brainteasers #math #riddles
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Can you solve this number coding puzzle?

If SHARP is coded as 58034 and PUSH as 4658, then what will be the code for RUSH?
Correct answers: 159
The first user who solved this task is Roxana zavari.
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#brainteasers #riddles
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What is the next number in the sequence?

What is the next number in the sequence 1, 2, 6, 42, 1806, ? (author: Brain Teasers & Riddles)
Correct answers: 159
The first user who solved this task is Djordje Timotijevic.
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#brainteasers #math #riddles
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MATH PUZZLE: Can you replace...

MATH PUZZLE: Can you replace the question mark with a number?
Correct answers: 158
The first user who solved this task is Allen Wager.
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#brainteasers #math #riddles
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Replace the question mark with a number

MATH PUZZLE: Can you replace the question mark with a number?
Correct answers: 157
The first user who solved this task is H Tav.
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#brainteasers #math #riddles
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You can swallow me, but I can ...

You can swallow me, but I can swallow you. What am I?
Correct answers: 157
The first user who solved this task is Pau Styles.
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#brainteasers #riddles
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Hans Geiger

Died 24 Sep 1945 at age 62 (born 30 Sep 1882).Hans Wilhelm Geiger was a German physicist who introduced the Geiger counter, the first successful detector of individual alpha particles and other ionizing radiations. After earning his Ph.D. at the University of Erlangen in 1906, he collaborated at the University of Manchester with Ernest Rutherford. He used the first version of his particle counter, and other detectors, in experiments that led to the identification of the alpha particle as the nucleus of the helium atom and to Rutherford's statement (1912) that the nucleus occupies a very small volume in the atom. The Geiger-Müller counter (developed with Walther Müller) had improved durability, performance and sensitivity to detect not only alpha particles but also beta particles (electrons) and ionizing electromagnetic photons. Geiger returned to Germany in 1912 and continued to investigate cosmic rays, artificial radioactivity, and nuclear fission.
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