BRAIN TEASERS

# Find number abc

If c5a57 - bc0ab = ba5c3 find number abc. Multiple solutions may exist.
#brainteasers #math

### John was driving when a police...

John was driving when a policeman pulled him over. He rolled down his window and said to the officer, "Is there a problem, Officer?"
"No problem at all. I just observed your safe driving and am pleased to award you a \$5,000 Safe Driver Award. Congratulations. What do you think you're going to do with the money?"
John thought for a minute and said, "Well, I guess I'll go get that drivers' license."
Judi, sitting in the passenger seat said to the policeman, "Oh, don't pay attention to him -- he's just a wise guy when he's drunk and stoned."
Brian from the back seat said, "I told you guys we wouldn't get far in a stolen car!"
At that moment, there was a knock from the trunk and a muffled voice said, "Are we over the border yet?"
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## Brain Teasers

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### Simeon North

Born 13 Jul 1765; died 25 Aug 1852 at age 87. American inventor and manufacturer who, like Eli Whitney, incorporated interchangeable parts in manufacturing. After a start in farming, he began a business making scythes in 1795. He expanded to making pistols, first for private use, then under government contract in Mar 1799 for 400 pistols. Larger government orders followed. By 1813, at North's suggestion, a contract for 20,000 pistols included the provision that parts should be interchangeable. Subsequently, he developed machine tools to aid production. North is generally credited for building probably the earliest, though primitive, milling machine to replace filing operations by about 1816 or even earlier. For 53 years, he filled War Dept. contracts, including rifles (from 1823), and devised a 10-round repeating rifle (1825).«
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