Find number abc
[7922] Find number abc - If 7b13a - bb6a5 = a9ac9 find number abc. Multiple solutions may exist. - #brainteasers #math - Correct Answers: 0
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Find number abc

If 7b13a - bb6a5 = a9ac9 find number abc. Multiple solutions may exist.
Correct answers: 0
#brainteasers #math
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What Should They Get?

Mrs. Applebee, the 6th grade teacher, posed the following problem to one of her classes:
"A wealthy man dies and leaves ten million dollars. One-fifth is to go to his wife, one-fifth is to go to his son, one-sixth to his butler, and the rest to charity. Now, what does each get?"
After a very long silence in the classroom, Little Johnny raised his hand.
The teacher called on Little Johnny for his answer.
With complete sincerity in his voice, Little Johnny answered, "A lawyer!"
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Rotary washer

In 1858, a U.S. patent was issued for cycling reheated water in a washing machine, to Hamilton E. Smith of Philadelphia, Pennsylvania (No. 21,909). His invention was an improvement for washing machines in which a reciprocating plunger acts on clothes in a tub. His invention placed two horizontal diaphragms in the tub. Both moved vertically with the action of the plunger. The upper one was perforated, and the lower one had a valve. Below the lower diaphragm springs pushed it up as the plunger was lifted. Their motion acted to pump water into the tub from a circuit of pipe that included coils in a heating tank and drained cooler water from the top of the tub. Smith improved his machine and obtained a second patent in 1863.
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