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Quang Ngô

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last 3 solved tasks
If c2233 - 1433a = 3ba9c find number abc. Multiple solutions may exist.
During what month do people sleep the least?
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.

C. B. Momsen

Died 25 May 1967 at age 70 (born 21 Jun 1896).Vice-Admiral Charles Bowers Momsen was an American inventor and navy officer whocreated the Momsen Lung, an underwater breathing device for escape from disabled submarines. It was an oblong rubber bag hung from the neck and strapped around the waist. A tube led from the bag to a mouthpiece to inhale oxygen and a return tube through a canister of soda lime inside the canister to remove exhaled carbon dioxide and then recycle the air. This provided air for a gradual ascent to avoid the “bends.” In Aug 1937 he became Officer in Charge of Experimental Diving at the NavyYard, Washington, D.C., where he developed new decompression tables and supported proposed use of a helium and oxygen mixture for deep diving. Momsen received the Distinguished Service Medal (1933). Today, the Momsen lung has been superced by other methods, such as the Stanke Hood or free ascent.«

The Parisian Belle And The Midwestern Salesman

The owner and head of sales of a large furniture store in the mid-west arrived in Paris on a buying trip. As he was checking into a hotel he struck up an acquaintance with a beautiful young lady. However, she only spoke French and he only spoke English, so each couldn’t understand a word the other spoke.
He took out a pencil and a notebook and drew a picture of a taxi. She smiled, nodded her head and they went for a ride in the park.
Later, he drew a picture of a table in a restaurant with a question mark and she nodded, so they went to dinner.
After dinner, he sketched two dancers and she was delighted. They went to several night-clubs, drank champagne, danced and had a glorious evening.
It had gotten quite late when she motioned for the pencil and drew a picture of a four-poster bed. He was utterly amazed and took her home. To this very day, he still doesn’t know how she guessed that he was a furniture salesman!

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