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# Find number abc

If 87a57 - b723a = bc718 find number abc. Multiple solutions may exist.
The first user who solved this task is Nasrin 24 T.
#brainteasers #math

### Cannibals

One day three people were stuck on an island with cannibals.

The cannibals said, "If you do what we say, we won't kill you".

So the 3 people followed the orders which were to go into the forest and pick 10 fruits of your choice.

So the first person came back out of the forest with 10 apples. The cannibals said, "put the apples up your ass without making a facial expression". The person held his composure however then made a facial expression after the second apple, so the cannibals killed him.

The second person came back out of the forest with 10 cherries. The cannibals said, "put the cherries up your ass without making a facial expression". However as much as he tried to restrain himself the person burst into tears laughing on the tenth cherry, so they killed him.

In heaven, the person with apples asked the person with cherries "why did you start laughing?"

The person replied, "I saw the third person come out with pineapples."

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## Brain Teasers

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### First wireless communication

In 1894, the first wireless transmission of information using Morse code was demonstrated by Oliver Lodge during a meeting of the British Association at Oxford. A message was transmitted about 150 yards (50-m) from the old Clarendon Laboratory to the University Museum. However, as he later wrote in his Work of Hertz and Some of his Successors, the idea did not occur to Lodge at the time that this might be developed into long-distance telegraphy. “Stupidly enough, no attempt was made to apply any but the feeblest power, so as to test how far the disturbance could really be detected.” Nevertheless this demonstration predated the work of Guglielmo Marconi, who began his experiments in 1896.«
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