Find the right combination
[7793] Find the right combination - The computer chose a secret code (sequence of 4 digits from 1 to 6). Your goal is to find that code. Black circles indicate the number of hits on the right spot. White circles indicate the number of hits on the wrong spot. - #brainteasers #mastermind - Correct Answers: 3
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Find the right combination

The computer chose a secret code (sequence of 4 digits from 1 to 6). Your goal is to find that code. Black circles indicate the number of hits on the right spot. White circles indicate the number of hits on the wrong spot.
Correct answers: 3
#brainteasers #mastermind
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Jacob, age 92, and Rebecca, ag...

Jacob, age 92, and Rebecca, age 89, living in Florida, are all excited about their decision to get married. They go for a stroll to discuss the wedding, and on the way they pass a drugstore. Jacob suggests they go in.
Jacob addresses the man behind the counter: Are you the owner?
The pharmacist answers, Yes.
Jacob: Were about to get married. Do you sell heart medication?
Pharmacist: Of course we do.
Jacob: How about medicine for circulation?
Pharmacist: All kinds.
Jacob: Medicine for rheumatism and scoliosis?
Pharmacist: Definitely.
Jacob: How about Viagra?
Pharmacist: Of course.
Jacob: Medicine for memory problems, arthritis, jaundice?
Pharmacist: Yes, a large variety. The works.
Jacob: What about vitamins, sleeping pills, Geritol, antidotes for Parkinsons disease?
Pharmacist: Absolutely.
Jacob: You sell wheelchairs and walkers?
Pharmacist: All speeds and sizes.
Jacob: We would like to use this store as our Bridal Registry.
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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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