What 5-digit number satisfies the following requirements?
[2559] What 5-digit number satisfies the following requirements? - What 5-digit number satisfies the following requirements? 1. No zeroes; 2. First two digits are the same; 3. Fourth digit is twice the first; 4. Last digit is twice the third; 5. Sum of all digits is 18 - #brainteasers #math #riddles - Correct Answers: 127 - The first user who solved this task is Djordje Timotijevic
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What 5-digit number satisfies the following requirements?

What 5-digit number satisfies the following requirements? 1. No zeroes; 2. First two digits are the same; 3. Fourth digit is twice the first; 4. Last digit is twice the third; 5. Sum of all digits is 18
Correct answers: 127
The first user who solved this task is Djordje Timotijevic.
#brainteasers #math #riddles
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After a particularly poor game...

After a particularly poor game of golf, a popular club member skipped the clubhouse and started to go home. As he was walking to the parking lot to get his car, a policeman stopped him and asked, "Did you tee off on the sixteenth hole about twenty minutes ago?"
"Yes," the golfer responded.
"Did you happen to hook your ball so that it went over the trees and off the course?" the cop asked.
"Yes, I did. How did you know?" the golfer asked.
"Well," said the policeman very seriously, "Your ball flew out onto the highway and crashed through a driver's windshield. The car went out of control, crashing into five other cars and a fire truck. The fire truck couldn't make it to the fire, and the building burned down. So, what are you going to do about it?"
The golfer thought it over carefully and responded, "I think I'll close my stance a little bit, tighten my grip and lower my right thumb."
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Charles Townes

Died 27 Jan 2015 at age 99 (born 28 Jul 1915). Charles Hard Townes was an American physicist who shared (with the Soviet physicists Aleksandr M. Prokhorov and Nikolay G. Basov) the 1964 Nobel Prize for Physics “for fundamental work in the field of quantum electronics, which has led to the construction of oscillators and amplifiers based on the maser-laser principle.” He had been applying microwave physics to study the interactions between microwaves and molecules, producing microwave spectra, which he thought could be used to determine the structure of molecules, atoms and nuclei. Instead, from this work, in 1951, he conceived the idea of the maser andpursued that goal. By early 1954, using ammonia gas as the medium, the first results of amplification and generation of electromagnetic waves by stimulated emission were obtained. They coined the word maser for this device, an acronym using the initial letters of “Microwave Amplification by Stimulated Emission of Radiation.”«
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