How many squares on a chessboard?
[25] How many squares on a chessboard? - How many squares on a chessboard? - #brainteasers #math #riddles - Correct Answers: 98 - The first user who solved this task is Sanja Šabović
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How many squares on a chessboard?

How many squares on a chessboard?
Correct answers: 98
The first user who solved this task is Sanja Šabović.
#brainteasers #math #riddles
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Dough Robbery

Did you see the recent story in the Jewish Chronicle about the theft of egg-enriched dough from a north London warehouse? Unfortunately, the theft happened just before Shabbos and it forced many local bakeries to bake their challas with plain, white flour. A leading rabbi was quoted as saying, "I’m appalled by the rise in white challa crimes."
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Nylon bristle toothbrush

In 1938, the first nylon-bristle toothbrush in the U.S. was described in a New York Times business report. Dr. West's Miracle-Tuft toothbrush, a new product from the Weco Products Company, was the first to use synthetic DuPont nylon bristles instead of natural hog bristles. It had four guarantees: “No bristle shedding, 100 per cent waterproofed, longer life, greater cleansing power.” Its price was to be 50 cents (with a fair-trade minimum of 47 cents). The report said an intensive national advertising campaign for the new toothbrush was to be launched in about six weeks. Competition came in May 1939, as Johnson & Johnson began advertising their new Tek toothbrush.*
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