Calculate the number 708
[119] Calculate the number 708 - NUMBERMANIA: Calculate the number 708 using numbers [9, 3, 2, 4, 15, 50] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 51 - The first user who solved this task is Sanja Šabović
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Calculate the number 708

NUMBERMANIA: Calculate the number 708 using numbers [9, 3, 2, 4, 15, 50] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 51
The first user who solved this task is Sanja Šabović.
#brainteasers #math #numbermania
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News photographer on plane

His request approved, the news photographer quickly used a cell phone to call the local airport to charter a flight. He was told a twin-engine plane would be waiting for him at the airport. Arriving at the airfield, he spotted a plane warming up outside a hanger. He jumped in with his bag, slammed the door shut, and shouted, ‘Let’s go’. The pilot taxied out, swung the plane into the wind and took off.

Once in the air, the photographer instructed the pilot, ‘Fly over the valley and make low passes so I can take pictures of the fires on the hillsides.’

‘Why?’ asked the pilot.

‘Because I’m a photographer for cable news,’ he responded. ‘And I need to get some close up shots.’

The pilot was strangely silent for a moment, finally he stammered, ‘So, what you’re telling me, is… you’re NOT my flight instructor?’

Found on http://www.americanflyersmorristown.net, posted on November 2009 Newsletter

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Screw pointing and threading machine patent

In 1852, Cullen Whipple, of Providence, R.I., patented his "Mechanism for Pointing and Threading Screw-Blanks in the Same Machine" (U.S. No. 9477). His new design incorporated additional cutters in the same threading machine he had patented on 18 Aug 1842 (No. 2754, reissued 5 Mar 1850). Before machines provided a point on screws, they had blunt ends, and it was necessary to drill a starter hole. In Oct 1840, he was one of ten incorporators of The New England Screw Co. After his original thread-cutting machine, he invented another for shaving the heads of screws (patented 6 Apr 1843) and one for removing the burs left in cutting the slots in the heads (patented 19 Apr 1843). He patented seven other screw-manufacturing devices.«
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