BRAIN TEASERS

# Calculate the number 1346

NUMBERMANIA: Calculate the number 1346 using numbers [6, 6, 3, 1, 91, 185] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
The first user who solved this task is Djordje Timotijevic.
#brainteasers #math #numbermania

### Loud Train

A man had to attend a large convention in Chicago. On this particular trip he decided to bring his wife. When they arrived at their hotel and were shown to their room, the man said: "You rest here while I register - I'll be back within an hour."
The wife lies down on the bed... just then, an elevated train passes by very close to the window and shakes the room so hard she's thrown out of the bed. Thinking this must be a freak occurrence, she lies down once more. Again a train shakes the room so violently, she's pitched to the floor.
Exasperated, she calls the front desk, asks for the manager. The manager says he'll be right up. The manager (naturally) is sceptical but the wife insists the story is true.
"Look,... lie here on the bed - you'll be thrown right to the floor!"
So he lies down next to the wife... Just then the husband walks in. "What," he says, "are you doing here?"
The manager replies: "Would you believe I'm waiting for a train?"

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### Simplon Tunnel opened

In 1906, the Simplon Tunnel was officially opened as the world's longest railroad tunnel. Cutting through the Alps between Italy and Switzerland, it was officially opened by the King of Italy and the president of the Swiss Republic. The construction of the 12-mile Simplon Tunnel, one of the world's longest rail tunnels was undertaken in the 1890s by Alfred Brandt, head of a German engineering firm, and inventor of an efficient rock drill. The total length of the tunnel is 64,972 feet cut through the solid rock of the Simplon Mountain between the Rhone and the Diveria valley. As a direct route under the mountain, it considerably shortened the surface distance for an important European trade route between Brig, Switzerland and Iselle, Italy.
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