Calculate the number 8207
[8119] Calculate the number 8207 - NUMBERMANIA: Calculate the number 8207 using numbers [5, 9, 7, 3, 23, 919] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 1
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Calculate the number 8207

NUMBERMANIA: Calculate the number 8207 using numbers [5, 9, 7, 3, 23, 919] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 1
#brainteasers #math #numbermania
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12 bees

I went to the pet shop and asked for 12 bees.

The clerk counted out 13 bees and handed them over.

“You’ve given me one too many” I said.

“That one is a freebie”

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Aluminium process patent

In 1889, Charles M. Hall patented an inexpensive electrolytic process to extract aluminium from its ore (No. 400,655) which he had invented on 23 Feb 1886. Although aluminum is the most abundant metal in the earth's crust, it is not found naturally in pure form, and thus it must be separated from its surrounding ore.
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