Find number abc
[6836] Find number abc - If 7599b - 2cbb6 = 555ba find number abc. Multiple solutions may exist. - #brainteasers #math - Correct Answers: 19 - The first user who solved this task is Nasrin 24 T
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Find number abc

If 7599b - 2cbb6 = 555ba find number abc. Multiple solutions may exist.
Correct answers: 19
The first user who solved this task is Nasrin 24 T.
#brainteasers #math
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Lost Far From A Home

A police car pulls up in front of grandma Bessie's house, and grandpa Morris gets out.
The polite policeman explained that this elderly gentleman said that he was lost in the park...and couldn't find his way home. " Oy Morris ", said grandma, " You've been going to that park for over 30 years ! So how could you get lost ? " Leaning close to grandma, so that the policeman couldn't hear. Morris whispered, " I wasn't lost.....I was just too tired to walk home."
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Xerography

In 1938, xerography was demonstrated by Chester F. Carlson. With his assistant, Otto Kornei, Carlson used a sulphur coating on a zinc plate, vigorously rubbed with a handkerchief to apply an electrostatic charge. A glass slide was prepared using India ink to write "10-22-38 ASTORIA," then laid on the sulphur surface in a darkened room. After illuminating them with a bright incandescent lamp for a few seconds, the slide was removed. When lycopodium powder was sprinkled on the sulphur surface and blown off, there remained a near-perfect image of the writing. Permanent copies were made by transferring the powder images to wax paper and heating the sheets to melt the wax. Xerox is a term coming from "xerography" which means dry writing and is a trademark.
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