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Calculate the number 1137

NUMBERMANIA: Calculate the number 1137 using numbers [5, 3, 2, 6, 56, 404] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.

Correct answers: 1

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A Bible story

A father was reading Bible stories to his young son.

He read, "The man named Lot was warned to take his wife and flee out of the city. But his wife looked back and was turned to salt."

His son asked, "What happened to the flea?"

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Detergent

In 1907, Persil, the first household detergent, was marketed by Henkel & Cie, of Düsseldorf as the first “self-acting'' washing powder in the world. Persil was the combination of both washing and bleaching agents in one powder. The brand name derived from the beginning syllables of its two most important chemical components, perborate (a bleaching agent) and silicate. The first Persil packet was a paper-wrapped folding box, with much text, decorated in the primary colors green, red and white. Around 1910 the popular Persil box triggered the beginnings of brand piracy, as witnessed by innumerable imitation attempts (Pirsil, Pirsal, Persiehl, O-Hä etc.) In 1917, the Persil brand was registered as a trademark.

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