Find number abc
[6989] Find number abc - If b8a7b + a7ab1 = 961c4 find number abc. Multiple solutions may exist. - #brainteasers #math - Correct Answers: 13 - The first user who solved this task is Nasrin 24 T
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Find number abc

If b8a7b + a7ab1 = 961c4 find number abc. Multiple solutions may exist.
Correct answers: 13
The first user who solved this task is Nasrin 24 T.
#brainteasers #math
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A man phones home from his off...

A man phones home from his office and says to his wife, "I have the chance to go fishing for a week. It's the opportunity of a lifetime. I have to leave right away. Pack my clothes, my fishing equipment, and my blue silk pajamas. I'll be home in an hour to pick them up."
The man rushes home to grab everything. He hugs his wife, apologizes for the short notice, and then hurries off.
A week later, the man returns and his wife asks, "Did you have a good trip, dear?"
The man replies, "Yep, the fishing was great...but you forgot to pack my blue silk pajamas."
His wife smiles and says, "Oh, no I didn't...I put them in your tackle box.
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Sources of all energy

In 1881, in a PresidentialAddress to the British Association, at York, Sir William Thomson (Lord Kelvin) spokeOn the Sources of Energy in Nature Available to Man for the Production of Mechanical Effect. He summarized the natural sources of energy as Tides, Food, Fuel, Wind, and Rain. All except the tides derive energy from the sun. “Heat radiated from the sun ... is the principal source of mechanical effect available to man.” He referred to tide mills, and the possibility of storing energy in batteries between tides, but nevertheless considered the economics impractical for wide application. Windpower he considered “decadent,” but acknowledged coal would become an exhausted resource, thus windmills should generate electrical power. Kelvin also outlined the economics of hydroelectricity.«
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