Calculate the number 1390
[7288] Calculate the number 1390 - NUMBERMANIA: Calculate the number 1390 using numbers [5, 1, 7, 8, 61, 470] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 2
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Calculate the number 1390

NUMBERMANIA: Calculate the number 1390 using numbers [5, 1, 7, 8, 61, 470] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 2
#brainteasers #math #numbermania
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At school, Little Johnny was t...

At school, Little Johnny was told by a classmate that most adults are hiding at least one dark secret, and that this makesit very easy to blackmail them by saying, "I know the whole truth."
Little Johnny decides to go home and try it out. He goes home, and as he is greeted by his mother. He says, "I know thewhole truth." His mother quickly hands him $20 and says, "Just don't tell your father."
Quite pleased, the boy waits for his father to get home from work, and greets him with, "I know the whole truth." Thefather promptly hands him $40 and says, "Please don't say a word to your mother."
Very pleased, the boy is on his way to school the next day when he sees the mailman at his front door. The boy greets himby saying, "I know the whole truth."
The mailman immediately drops the mail, opens his arms, and says, "Then come give your daddy a great big hug!"
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Telegraph ticker patent

In 1846, the first U.S. patent for a telegraph ticker that would print letters of the alphabet was issued to R.E. House of New York City (No. 4,464). It was able to print at the rate of 50 words a minute in Roman letters. It had first been publically exhibited in 1844 at the American Institute Fair in New York City. It was widely used for ten years, until replaced by improved versions.
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