Calculate the number 250
[799] Calculate the number 250 - NUMBERMANIA: Calculate the number 250 using numbers [2, 5, 1, 7, 57, 138] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 37 - The first user who solved this task is Sanja Šabović
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Calculate the number 250

NUMBERMANIA: Calculate the number 250 using numbers [2, 5, 1, 7, 57, 138] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 37
The first user who solved this task is Sanja Šabović.
#brainteasers #math #numbermania
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Generation gap?

During one "generation gap" quarrel with his parents young Michael cried, "I want excitement, adventure, money, and beautiful women. I'll never find it here at home, so I'm leaving. Don't try and stop me!"

With that he headed toward the door. His father rose and followed close behind.

"Didn't you hear what I said? I don't want you to try and stop me."

"Who's trying to stop you?" replied his father. "If you wait a minute, I'll go with you."

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Locomotive

In 1948 the first gas-turbine electric locomotive in the U.S. was track-tested in Erie, Pa. Preliminary road tests of the 4800 hp Alco-GE locomotive included hauling of 85 loaded freight cars at speeds as high as 65 mph. In a gas-turbine engine, air is drawn through a compressor into several combustion chambers. Fuel (bunker "C" oil) is injected and the mixture burns, raising the temperature of the compressed air. Resulting gases expand and move at great velocity against the turbine blades, turning the shaft which drives both the power plant compressor and a generator supplying electric power to eight traction motors driving the wheels. The gas-turbine engine was originally designed for aircraft, in which it gives forward thrust from the reaction of its exhaust stream.
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