Calculate the number 300
[7106] Calculate the number 300 - NUMBERMANIA: Calculate the number 300 using numbers [3, 4, 2, 8, 43, 173] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 5
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Calculate the number 300

NUMBERMANIA: Calculate the number 300 using numbers [3, 4, 2, 8, 43, 173] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 5
#brainteasers #math #numbermania
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A duck walked into a bakery on...

A duck walked into a bakery one day and asked for a pork chop.
The baker said, "We aren't a butcher; we don't sell meat here."
So the duck left.
The following day the duck went back and asked again.
This time the Baker said, "No, if you come here again I will nail your feet
to the floor."
The following day the duck returned and asked, "Have you any nails?"
The baker replied, "No." And the duck said, "Well, I'll have two pork chops then."
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First GB lock patent

In 1778, the first British patent (No. 1200) for a mortise lock was issued to Robert Barron. He devised a double-acting tumbler system lock with greater security than the single acting tumbler lock used until that time. Without knowing it, Barron reinvented the ancient Egyptian lock which had gravity tumbler pins. In the Barron lock, each of several levers fall by gravity into corresponding slots on the bolt, thus preventing the bolt from being moved until a key raises all the levers to exactly the right level. Levers raised too high move into a slot above them in the bolt, also preventing the bolt from being moved.
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