Calculate the number 2434
[7900] Calculate the number 2434 - NUMBERMANIA: Calculate the number 2434 using numbers [4, 8, 4, 7, 67, 817] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 0
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Calculate the number 2434

NUMBERMANIA: Calculate the number 2434 using numbers [4, 8, 4, 7, 67, 817] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 0
#brainteasers #math #numbermania
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One Sunday morning George burs...

One Sunday morning George burst into the living room and said, "Dad! Mom! I have some great news for you! I am getting married to the most beautiful girl in town. She lives a block away and her name is Susan.
After dinner, George's dad took him aside, "Son, I have to talk with you. Look at your mother, George. She and I have been married 30 years, she's a wonderful wife and mother, but, she has never offered much excitement in the bedroom, so I used to fool around with women a lot.""Susan is actually your half sister, and I'm afraid you can't marry her." George was brokenhearted.
After eight months he eventually started dating girls again. A year later he came home and very proudly announced, "Diane said yes! We're getting married in June." Again his father insisted on another private conversation and broke the sad news. "Diane is your half sister too, George.
"I'm awfully sorry about this." George was livid! He finally decided to go to his mother with the news his father had shared.
"Dad has done so much harm. I guess I'm never going to get married," he complained. "Every time I fall in love, Dad tells me the girl is my half sister."
"Hee hee," his mother chuckled, shaking her head, "Don't pay any attention to what he says. He's not really your father."
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Adding machine

In 1887, a patent for the adding machine was granted to Dorr Eugene Felt of Chicago, Illinois. His Comptometer was the first practical key-driven calculator with sufficient speed, reliablility and economic benefit. He called his original prototype the "Macaroni box", a rough model that Felt created over the year-end holidays in 1884-85. The casing was a grocery macaroni box, assembled with a jackknife using meat skewers as keys, staples as key guides and elastic bands for springs. Door improved his design, producing his earliest commercial wooden-box Comptometer from 1887 thru 1903, leading to the first steel case Model A (1904 that would be standard for the remainder for all "shoebox" models. Electric motor drive was introduced in the 1920's.
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