Calculate the number 600
[8049] Calculate the number 600 - NUMBERMANIA: Calculate the number 600 using numbers [9, 2, 5, 9, 61, 721] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 0
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Calculate the number 600

NUMBERMANIA: Calculate the number 600 using numbers [9, 2, 5, 9, 61, 721] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 0
#brainteasers #math #numbermania
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What's the trick?

A man went to the police station wishing to speak with the burglar who had broken into his house the night before.

"You'll get your chance in court," said the desk sergeant.

"No, no, no!" insisted the man. "I want to know how he got into the house without waking my wife. I've been trying to do that for years!"

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Carpet power-loom

In 1869, William and John W. Murkland were issued a patent for their invention of a carpet power-loom (No. 97,106) as "an improvement in power-loom for weaving in-grain carpet" or other figured fabrics. By making several simplifications to reduce complexity of the machinery, their design reduced the number of cams and levers involved in operating the loom. As a result, less power was required to maintain the motion of the machine. Having fewer parts also reduced maintenance and repair costs.
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