MATH PUZZLE: Can you replace...
[2602] MATH PUZZLE: Can you replace... - MATH PUZZLE: Can you replace the question mark with a number? - #brainteasers #math #riddles - Correct Answers: 277 - The first user who solved this task is Donya Sayah30
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MATH PUZZLE: Can you replace...

MATH PUZZLE: Can you replace the question mark with a number?
Correct answers: 277
The first user who solved this task is Donya Sayah30.
#brainteasers #math #riddles
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The Fourth of July was coming...

The Fourth of July was coming up, and the nursery school teacher took the opportunity to tell her class about patriotism. "We live in a great country," she said. "One of the things we should be happy about is that, in this country, we are all free."
One little boy came walking up to her from the back of the room. He stood with his hands on his hips and said, "I'm not free. I'm four."
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Alfred Brandt

Born 3 Sep 1846; died 29 Nov 1899 at age 53.German civil engineer whose major achievement was enabling construction of the 12.5 mile (20-km) Simplon Tunnel, a major tunnel through the Alps between Italy and Switzerland. As a young engineer working onboring the St. Gotthard Tunnel between Italy and Switzerland, he learned about the difficulties involved, and the use of pneumatic drills and blasting. A hydraulic drill of his own design was used to drive theArlberg Tunnel between Austria and Switzerland. To dig the Simplon Tunnel, he innovated by driving two separate tunnels 55-ft (17-m) apart, connected by crosshatches to provide for ventilation, temperature control and a circuit for debris-removal trains. He died early in the project, from the strain of overworking himself.«[Image: Simplon Tunnel during construction, model]
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