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Calculate the number 1590

NUMBERMANIA: Calculate the number 1590 using numbers [4, 4, 5, 5, 22, 341] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.

Correct answers: 32

The first user who solved this task is Djordje Timotijevic.

#brainteasers #math #numbermania

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Political Conference

Arriving late for a political conference, the college student asks another student standing by the door, "How long has the candidate been talking now?"
"Half an hour."
"And what is he talking about?"
"That I wouldn't know, he hasn't said."

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Solar powered radio

In 1956, a radio made to run either on batteries or solar-cell power was first sold in the U.S. The Sun Power Pak was made by the Admiral Corporation, Chicago, Ill. By using six transistors instead of vacuum tubes, the radio needed so little electricity that with six ordinary flashlight batteries it could give 700 to 1,000 hours of use. The $60 radio was small (about 3 x 9 x 10 in.) and weighed only 5.25 pounds. The $185 auxillary Sun Power Pak provided electrical power from sunlight using a silicon "solar cell element." The Admiral Corp grew out of an earlier business, founded in 1924, selling battery chargers for radios. By 1934, it was making radios, then military electronics during WW II and afterwards became a pioneering TV brand.«

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