BRAIN TEASERS

# Calculate the number 2555

NUMBERMANIA: Calculate the number 2555 using numbers [5, 2, 3, 3, 95, 902] 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

### The Preacher and the Peanuts

A preacher visits an elderly woman from his congregation. As he sits on the couch, he notices a large bowl of peanuts on the coffee table.
"Mind if I have a few?" he asks.
"No, not at all!" the woman replied.
They chat for an hour and, as the preacher stands to leave, he realizes that instead of eating just a few peanuts, he emptied most of the bowl.
"I'm terribly sorry for eating all your peanuts. I really just meant to eat a few."
"Oh, that's all right," the woman says. "Ever since I lost my teeth, all I can do is suck the chocolate off them."
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### Hendrik Christoffel Van de Hulst

Born 19 Nov 1918; died 31 Jul 2000 at age 81.Dutch astronomer who predicted theoretically (1944) that in interstellar space the amount of neutral atomic hydrogen, which in its hyperfine transition radiates and absorbs at a wavelength of 21 cm, might be expected to occur at such high column densities as to provide a spectral line sufficiently strong as to be measurable. Shortly after the end of the war several groups set about to test this prediction. The 21-cm line of atomic hydrogen was detected in 1951, first at Harvard University followed within a few weeks by others. The discovery demonstrated that astronomical research, which at that time was limited to conventional light, could be complemented with observations at radio wavelengths, revealing a range of new physical processes.
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