Calculate the number 547
[7214] Calculate the number 547 - NUMBERMANIA: Calculate the number 547 using numbers [4, 9, 2, 5, 13, 130] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 3
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Calculate the number 547

NUMBERMANIA: Calculate the number 547 using numbers [4, 9, 2, 5, 13, 130] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 3
#brainteasers #math #numbermania
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Come On, Ride the Train

Q: If an electric train is heading north, which way would the steam be coming out?
A: There wouldn't be any. It's an electric train.
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Percy Spencer

Died 7 Sep 1970 at age 76 (born 9 Jul 1894).Percy Le Baron Spencer was an American engineer and inventor who had the ideafor the microwave oven. In 1940, Sir John Randall and Dr. H. A. Boot invented the magnetron tube to produce radar microwaves. After the war, Dr. Percy Spencer at the Raytheon Company was investigating the magnetron tube. During one experiment, as the story goes, he discovered that a chocolate bar in his pocket had totally melted. Since the heating effect of microwaves was known earlier,Dr. Spencer deduced the magnetron radiation had melted the chocolate, not his body heat. This led Spencer to researchcooking food. The first commercial microwave ovens were large equipment, made for restaurants.
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