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# MAGIC SQUARE: Calculate A*B*C

The aim is to place the some numbers from the list (5, 6, 8, 9, 10, 15, 19, 44, 45, 54, 74) into the empty squares and squares marked with A, B an C. Sum of each row and column should be equal. All the numbers of the magic square must be different. Find values for A, B, and C. Solution is A*B*C.
Correct answers: 30
The first user who solved this task is On On Lunarbasil.
#brainteasers #math #magicsquare
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### Training The Blonde

An airline captain was breaking in a very pretty new blonde stewardess. The route they were flying had a stay-over in another city, so upon their arrival, the captain showed the stewardess the best place for airline personnel to eat, shop and stay overnight.
The next morning as the pilot was preparing the crew for the day's route, he noticed the new stewardess was missing. He knew which room she was in at the hotel and called her up wondering what happened to her. She answered the phone, sobbing, and said she couldn't get out of her room.
"You can't get out of your room?" the captain asked, "Why not?"
The stewardess replied, "There are only three doors in here, "she cried," one is the bathroom, one is the closet, and one has a sign on it that says 'Do Not Disturb'!"
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### Mont Cenis Tunnel opened

In 1871, the Mont Cenis Tunnel opened, the world's first important mountain tunnel. The two track railway tunnel through the Alps under Mont Cenis, united Savoy (north of the mountains) through Switzerland with the rest of Italy to the south. It was 8 miles long, double any previous tunnel's length. Work began in 1857. In 1861, after three years of tedious hand-boring eight inches a day into the Alpine rock face, its builder, French engineer Germain Sommeiller, introduced industrial-scale pneumatics in tunnel digging for the first time. Workers tunnelling from each side met halfway on 26 Dec 1870. The tunnel was inaugurated with the passage of 22 carriages in 20 minutes. Regular train service began 16 Oct 1871. Mail was sent by the tunnel beginning 5 Jan 1872, saving 24 hours from the overland route.*«[Image top: Mont Cenis Tunnel entrance arch; bottom: Sommeiller Boring Machines.]
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