Calculate the number 455
[1342] Calculate the number 455 - NUMBERMANIA: Calculate the number 455 using numbers [1, 3, 7, 1, 49, 116] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 27 - The first user who solved this task is Djordje Timotijevic
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Calculate the number 455

NUMBERMANIA: Calculate the number 455 using numbers [1, 3, 7, 1, 49, 116] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 27
The first user who solved this task is Djordje Timotijevic.
#brainteasers #math #numbermania
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The flower vendor was usually...

The flower vendor was usually an old hand at unloading his last few bunches. Appealing to a businessman on his way home, the vendor said, "How about a nice bunch of roses to surprise your wife?"
"Haven't got a wife," responded the businessman gruffly.
"Then how about some carnations for your girlfriend?" proposed the vendor without missing a beat.
"Haven't got a girlfriend."
"You lucky guy!" The vendor broke into a big smile. "Buy both bunches to celebrate!"
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Magnetising metals

In 1744, Gowan Knight presented his research on magnetising metals to the Royal Society. The method he discovered for permanently magnetising hard steels. The use of steel instead of soft iron greatly improved the otherwise crude compass needles used by England's Royal Navy, which then had a much longer magnetized life. Knight took out a patent for his compass in 1766. He devised better ways to suspend compass needles, and introduced the rhomboid shape now common for compass needles.Reference: Philosophical Trans., No. 474, p. 161
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