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Kristina Ko

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last 3 solved tasks
How many oranges are in that picture?
The aim is to place the some numbers from the list (2, 3, 5, 6, 11, 14, 18, 21, 22, 30, 73, 93) into the empty squares and squares marked with A, B an C. Sum of each row and column should be equal. All the numbers of the magic square must be different. Find values for A, B, and C. Solution is A+B*C.

Continuous-strip photographic film

In 1885, commercial production began of George Eastman's flexible, paper-backed photographic film, the first continuous-strip negative able to be compactly spooled. The film consisted of a layer of paper and a coating of insoluble sensitized gelatin emulsion, separated by a layer of soluble gelatin to enable release of the film layer after developing. He incorporated the Eastman Dry-Plate and Film Co., Rochester, NY, on 1 Oct 1884, and was issued patent No. 306,594 for this invention on 14 Oct 1884. He began promoting its convenience benefits to photographers over the bulkier, heavier and fragile glass plates then in use. Eastman designed the machinery for its manufacture, and a roll holder to use instead of glass plates.«[Image: Detail from an 1887 advertisement showing Eastman's negative paper on a roll and its package.]

Name the State Capitol

There was this blonde who just got sick and tired of all the blonde jokes. So one evening she went home and memorized all the state capitals.

Back in the office the next day, some guy started telling a dumb blonde joke. She interrupted him with a shrill announcement, "I've had it up to here with these blonde jokes. I want you to know that this blonde went home last night and did something probably none of you could do ... I memorized all the state capitals."

One of the guys, of course, said "I don't believe you. What is the capital of Nevada?"

"N", she answered.

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