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Fazil Hashim

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3. Thinh Ddh 4506
4. Alfa Omega 4344
5. Fazil Hashim 4298
6. Chandu Rajyaguru 4134
7. Jakubovski Vladimir 4060
last 3 solved tasks
If 94a58 + a64b9 = aa059c find number abc. Multiple solutions may exist.
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.
Look at the series (4832, 8420, 6280, 2620, 4880, ?), determine the pattern, and find the value of the next number!

Giovanni Battista Donati

Born 16 Dec 1826; died 20 Sep 1873 at age 46.Italian astronomer who, on 5 Aug 1864, was first to observe the spectrum of a comet (Tempel 1864 II), showing not merely reflected sunlight but also spectral lines from luminous gas forming the comet tail when near the Sun. Earlier, he discovered the comet known as Donati's Comet at Florence, on 2 Jun 1858. When the comet was nearest the earth, its triple tail had an apparent length of 50°, more than half the distance from the horizon to the zenith and corresponding to the enormous linear figure of more than 72 million km (about 45 million mi). With an orbital period estimated at more than 2000 years, it will not return until about the year 4000.«

The dorm rules

On the first day of college, the Dean addressed the students, pointing out some of the rules:

"The female dormitory will be out-of-bounds for all male students, and the male dormitory to the female students. Anybody caught breaking this rule will be fined $20 the first time."

He continued, "Anybody caught breaking this rule the second time will be fined $60. Being caught a third time will cost you a fine of $180. Are there any questions?"

At this point, a male student in the crowd inquired: "How much for a season pass?"

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