Find number abc
[3067] Find number abc - If 3b2a0 + a86ac = b7b0c find number abc. Multiple solutions may exist. - #brainteasers #math - Correct Answers: 73 - The first user who solved this task is Djordje Timotijevic
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Find number abc

If 3b2a0 + a86ac = b7b0c find number abc. Multiple solutions may exist.
Correct answers: 73
The first user who solved this task is Djordje Timotijevic.
#brainteasers #math
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Researchers for the Massach...

Researchers for the Massachusetts Turnpike Authority found over 200 dead crows near greater Boston recently, and there was concern that they may have died from Avian Flu.

A Bird Pathologist examined the remains of all the crows, and, to everyone's relief, confirmed the problem was definitely NOT Avian Flu. The cause of death appeared to be vehicular impacts.

However, during the detailed analysis it was noted that varying colors of paints appeared on the bird's beaks and claws.

By analyzing these paint residues it was determined that 98% of the crows had been killed by impact with trucks, while only 2% were killed by an impact with a car.

MTA then hired an Ornithological Behaviorist to determine if there was a cause for the disproportionate percentages of truck kills versus car kills.

He very quickly concluded the cause: When crows eat road kill, they always have a look-out crow in a nearby tree to warn of impending danger.

They discovered that while all the lookout crows could shout “Cah”, not a single one could shout “Truck.”

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Spirit level

In 1666, Robert Hooke invented the spirit level, according to Sir David Brewster in the 1832 Edinburgh Encyclopedia. It was likely a variation on the spirit level, or “artificial horizon,” which he may have used while employed as City Surveyor of London after the Great Fire. The original concept was due to Melchisédech Thévenot, sometime before 2 Feb 1661, the date of his letter about it to Christiaan Huygens. In the 1670s, Hooke added a spirit level to his quadrant.«
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