Find number abc
[7136] Find number abc - If 7a7bc - abb70 = 791c find number abc. Multiple solutions may exist. - #brainteasers #math - Correct Answers: 20
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Find number abc

If 7a7bc - abb70 = 791c find number abc. Multiple solutions may exist.
Correct answers: 20
#brainteasers #math
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Ponderings Collection 02

If a cow laughed real hard, would milk come out her nose?
If nothing ever sticks to TEFLON, how do they make TEFLON stick to the pan?
If you tied buttered toast to the back of a cat and dropped it from a height, what would happen?
If you're in a vehicle going the speed of light, what happens when you turn on the headlights?
You know how most packages say "Open here". What is the protocol if the package says, "Open somewhere else"?
Why do they put Braille dots on the keypad of the drive-up ATM?
Why do we drive on parkways and park on driveways?
Why isn't "palindrome" spelled the same way backwards?
Why is it that when you transport something by car, it's called a shipment, but when you transport something by ship, it's called cargo?
You know that little indestructible black box that is used on planes, why can't they make the whole plane out of the same substance?
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Steel manufacture

In 1857, Robert Mushet, an English metallurgist, received a U.S. patent for a method of manufacturing steel which improved the Bessemer process for making steel that would be more malleable. (No. 17,389). His process added manganese in the form of spiegeleisen, an alloy of iron and manganese derived from a Prussian iron ore consisting essentially of a double carbonate of iron and manganese. The softness or hardness of the steel could be regulated by diminishing or increasing the proportion of the triple compound of iron, carbon and manganese. He chose to use the alloy of the Prussian ore because it was more free of sulphur, phosphorus and silicon. Mushet also discovered tungsten steel, an alloy with about 8% tungsten.
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