Solve Math Puzzle
[2429] Solve Math Puzzle - IF 1234 + 4567 = 284, 3012 + 8888 = 640, 5111 + 9291 = 95 THEN 9378 + 9999 = ? - #brainteasers #math #riddles - Correct Answers: 35 - The first user who solved this task is Roxana zavari
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Solve Math Puzzle

IF 1234 + 4567 = 284, 3012 + 8888 = 640, 5111 + 9291 = 95 THEN 9378 + 9999 = ?
Correct answers: 35
The first user who solved this task is Roxana zavari.
#brainteasers #math #riddles
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There were two guys working fo...

There were two guys working for the city. One would dig a hole -- he would dig, dig, dig.
The other would come behind him and fill the hole -- fill, fill, fill. These two men worked furiously; one digging a hole, the other filling it up again.
A man was watching from the sidewalk and couldn't believe how hard these men were working, but couldn't understand what they were doing. Finally he had to ask them.
He said to the hole digger, "I appreciate how hard you work, but what are you doing? You dig a hole and your partner comes behind you and fills it up again!"
The hole digger replied, "Oh yeah, must look funny, but the guy who plants the trees is sick today."
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Reinforced Concrete

In 1867, reinforced concrete was patented by F. Joseph Monier (1823-1906), a gardner in Paris, to reinforce garden tubs, beams and posts. The French inventor had found that the tensile weakness of plain concrete could be overcome if steel rods were embedded in a concrete member. The new composite material was called reinforced concrete, or ferroconcrete. William E. Ward builds (1871-75) the landmark building, first in the U.S. to use reinforced concrete, for a private house in Port Chester, N.Y., It was designed by architect Robert Mook.
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