What is 9 + 5?
[122] What is 9 + 5? - If 2+3=10, 8+4=96, 7+2=63, 6+5=66 then 9+5=? - #brainteasers #math #riddles - Correct Answers: 640 - The first user who solved this task is Eric Newton
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What is 9 + 5?

If 2+3=10, 8+4=96, 7+2=63, 6+5=66 then 9+5=?
Correct answers: 640
The first user who solved this task is Eric Newton.
#brainteasers #math #riddles
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Last year, when the power mowe...

Last year, when the power mower was broken and wouldn't run, I kept hinting to my husband that he ought to get it fixed, but somehow the message never sank in. Finally I thought of a clever way to make the point.
When my husband arrived home that day, he found me seated in the tall grass, busily snipping away with a tiny pair of sewing scissors.
He watched silently for a short time and then went into the house. He was gone only a few moments when he came out again. He handed me a toothbrush. "When you finish cutting the grass," he said, "you might as well sweep the sidewalks."
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Transistor hearing aid

In 1952, the first transistor hearing aid went on sale, the model 1010 manufactured by the Sonotone Corporation in Elmsford, NY, U.S. It weighed 3.5-oz, measured 3"x1.5"x0.6" and cost $229.50 (about $1500.00 today). It was a hybrid device consisting of two sub miniature pre-amplifier tubes and a single transistor as the final audio amplifier to benefit from the low power consumption of transistors. The reason for the hybrid design was that the first junction transistors had signal to noise ratios which were inferior to tubes. Within months, transistor production techniques were improved largely eliminating noise, so the hybrid model was shortly discontinued.
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