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Find number abc

If 9b80a - 90ac7 = bbbb find number abc. Multiple solutions may exist.

Correct answers: 9

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Stung by a bee

A woman taking golf lessons had just started her first round when she was stung by a bee. Distraught, she went back into the clubhouse and told her golf teacher about the incident.

"Where did it sting you?" he asked.

"Between the first and second hole," she replied.

He shook his head and said: "That’s your problem right there. You had your feet too far apart!"

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Guglielmo Marconi

Born 25 Apr 1874; died 20 Jul 1937 at age 63. Marchese Guglielmo Marconi was an Italian electrical engineer and inventor who invented the wireless telegraph (1935) known today as radio. Nobel laureate (1909). In 1894, Marconi began experimenting on the “Hertzian Waves,” the radio waves Heinrich Hertz had first produced in his laboratory a few years earlier. Lacking support from the Italian Ministry of Posts and Telegraphs, Marconi turned to the British Post Office. Encouraging demonstrations in London and on Salisbury Plain followed. Marconi obtained the world's first patent for a system of wireless telegraphy, in 1897, and opened the world's first radio factory at Chelmsford, England in 1898. In 1900 he took out his famous patent No. 7777 for “tuned or syntonic telegraphy.”

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