Calculate the number 9693
[1157] Calculate the number 9693 - NUMBERMANIA: Calculate the number 9693 using numbers [5, 3, 8, 7, 48, 720] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 30 - The first user who solved this task is Sanja Šabović
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Calculate the number 9693

NUMBERMANIA: Calculate the number 9693 using numbers [5, 3, 8, 7, 48, 720] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 30
The first user who solved this task is Sanja Šabović.
#brainteasers #math #numbermania
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Naming the Twins

A man was taking his wife, who was pregnant with twins, to the hospital when his car went out of control and crashed.
Regaining consciousness, he saw his brother, a relentless practical joker, sitting at his bed side.
He asked his brother how his wife was doing and his brother said, "Don't worry, everybody is fine and you have a son and a daughter.
But the hospital was in a real hurry to get the birth certificates filed and since both you and your wife were unconscious, I named them for you."
The husband was thinking to himself, "Oh no, what has he done now?" and asked with some trepidation, "Well, bro, what did you name them?"
Whereupon, his brother replied, "I named the little girl Denise."
The husband, relieved, said, "That's a lovely name! And what did you come up with for my son?"
The brother winked and replied, "Denephew."

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Black American patent

In 1896, black American inventor, Willie H. Johnson, of Navasota, Texas, was issued a U.S. patent for "A Mechanism for Overcoming Dead Centers" which occur in machines when a shaft is driven by a crank (No. 554,223). The essential part of his invention consisted of a two-part or compound crank-rod of such construction that the members automatically locked together at the proper point in the stroke, so as to act as a single rod, and at other intervals of its travel would automatically unlocked, so that each member would act independently of the other. Either could act to carry the stroke past the top dead center of the other. Johnson secured a second patent in Oct 1898 for an improvement to his design (No. 612,345).
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