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hung nguyen sy

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MATH PUZZLE: Can you replace the question mark with a number?
The computer chose a secret code (sequence of 4 digits from 1 to 6). Your goal is to find that code. Black circles indicate the number of hits on the right spot. White circles indicate the number of hits on the wrong spot.
The computer chose a secret code (sequence of 4 digits from 1 to 6). Your goal is to find that code. Black circles indicate the number of hits on the right spot. White circles indicate the number of hits on the wrong spot.

Paolo Ruffini

Born 22 Sep 1765; died 10 May 1822 at age 56.Italian mathematician and physician who made studies of equations that anticipated the algebraic theory of groups. He is regarded as the first to make a significant attempt to show that there is no algebraic solution of the general quintic equation (an equation with the variable in one term raised to the fifth power). In 1799 Ruffini published a book on the theory of equations with his claim that quintics could not be solved by radicals, General theory of equations in which it is shown that the algebraic solution of the general equation of degree greater than four is impossible. Ruffini used group theory in his work but he had to invent the subject for himself. He also wrote on probability and the application of probability to evidence in court cases.

Birthday cake for wife

On wife's b'day, man ordered a cake on phone.
Salesman: What message to put on the cake?
Man: Write “Getting older but U R getting better.”
Salesman: kaise likhna hai message ?
Man: Well.. put “U R getting older” at the top and “but U R getting better” at the bottom.
When the cake was opened all guests died laughing at the message.
It read: “You are getting older at the top, but you are getting better at the bottom!”

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