Calculate 1+3
[2385] Calculate 1+3 - If 3+4=19 and 5+6=41 then 1+3=? - #brainteasers #math #riddles - Correct Answers: 226 - The first user who solved this task is Roxana zavari
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Calculate 1+3

If 3+4=19 and 5+6=41 then 1+3=?
Correct answers: 226
The first user who solved this task is Roxana zavari.
#brainteasers #math #riddles
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The secret of my success

Grandpa was celebrating his 100th birthday and everybody complimented him on how athletic and well-preserved he appeared.

"Gentlemen, I will tell you the secret of my success," he cackled. "I have been in the open air day after day for some 75 years now."

The celebrants were impressed and asked how he managed to keep up his rigorous fitness regime.

"Well, you see my wife and I were married 75 years ago. On our wedding night, we made a solemn pledge. Whenever we had a fight, the one who was proved wrong would go outside and take a walk."

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Transit of Venus

In 1882, the transit of Venus across the sun was photographed on a series of glass plate negatives made by Amherst College astronomer David Peck Todd. He used a solar photographic telescope (made by the renowned optical firm Alvan Clark & Sons) stationed on the summit of Mount Hamilton, California, where the Lick Observatory was under construction. Of the photos, 147 survived, having been archived in the mountain vault. A century later, they were retrieved and an animation made from them premiered at the International Astronomical Union's general assembly in Sydney in Jul 2003. This is perhaps the most complete surviving record of a historical transit of Venus, dating from the time when Chester Arthur was president of the United States.
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