Calculate the number 6669
[5412] Calculate the number 6669 - NUMBERMANIA: Calculate the number 6669 using numbers [1, 5, 8, 5, 80, 817] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 25 - The first user who solved this task is Djordje Timotijevic
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Calculate the number 6669

NUMBERMANIA: Calculate the number 6669 using numbers [1, 5, 8, 5, 80, 817] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 25
The first user who solved this task is Djordje Timotijevic.
#brainteasers #math #numbermania
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The Card Game

Two couples were playing cards. Jeff accidentally dropped some cards on the floor. When he bent down under the table to pick them up, he noticed that Dave's wife, Sandy, was not wearing any underwear! Shocked by this, Jeff hit his head on the table and emerged red-faced. Later when Jeff went to the kitchen to get some refreshments Sandy followed him and asked, "Did you see anything under the table that you liked?"

Jeff admitted, "Well, yes I did."

She said "you can have it, but it will cost you $100."

After a minute or two, Jeff indicates that he is interested. She tells him that since Dave works Friday afternoons and Jeff doesn't, that Jeff should come to their house around 2:00 PM on Friday. Friday came and Jeff went to her house at 2:00 PM. After paying her the $100, they went to the bedroom, had sex for a few hours and then Jeff left. Dave came home about 6:00 PM and asked his wife, "Did Jeff come by this afternoon?"

Totally shocked, Sandy replied, "Yes, he did stop by for a few minutes."

Next Dave asked, "Did Jeff give you $100?"

Sandy thought, 'Oh hell, he knows!' Reluctantly she said, "Yes, he did give me $100."

"Good," Dave says.

"Jeff came by the office this morning and borrowed the $100 from me and said that he'd stop by our house on his way home and pay me back. It's so good to have a friend you can trust."

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Srinivasa Ramanujan

Born 22 Dec 1887; died 26 Apr 1920 at age 32. Srinivasa Aiyangar Ramanujan was an Indian mathematician who did notablework on hypergeometric series and continued fractions. In number theory, he discovered properties of the partition function. Although self-taught, he was one of India's greatest mathematical geniuses. He worked on elliptic functions, continued fractions, and infinite series. His remarkable familiarity with numbers, was shown by the following incident. While Ramanujan was in hospital in England, his Cambridge professor, G. H. Hardy, visited and remarked that he had taken taxi number 1729, a singularly unexceptional number. Ramanujan immediately responded that this number was actually quite remarkable: it is the smallest integer that can be represented in two ways by the sum of two cubes: 1729=13+123=93+103.«
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