Can you replace the question mark with a number?
[6481] Can you replace the question mark with a number? - MATH PUZZLE: Can you replace the question mark with a number? - #brainteasers #math #riddles - Correct Answers: 38 - The first user who solved this task is Nasrin 24 T
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Can you replace the question mark with a number?

MATH PUZZLE: Can you replace the question mark with a number?
Correct answers: 38
The first user who solved this task is Nasrin 24 T.
#brainteasers #math #riddles
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A college pizza delivery boy a...

A college pizza delivery boy arrived at the house of Mr.Smith. He delivered the pizza to his trailer. After giving it to him, Mr. Smith asked: "What is the usual tip?"
"Well," replied the youth, "this is my first trip here, but the other guys say if I get a quarter out of you, I'll be doing great."
"Is that so?" snorted Mr. Smith. "Well, just to show them how wrong they are, here's five dollars."
"Thanks," replied the youth, "I'll put this in my school fund."
"What are you studying in school?" asked Larry.
The lad smiled and said: "Applied psychology."
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Theodore William Richards

Died 2 Apr 1928 at age 60 (born 31 Jan 1868).American analytical chemist who was awarded the 1914 Nobel Prize for Chemistry "in recognition of his accurate determinations of the atomic weight of a large number of chemical elements." His work meticulously refined the classical gravimetric methods of analysis to better reduce the sources of error. His work, and that of coworkers yielded accurate values for atomic weight for over 60 elements. In 1913, he found that the atomic weight of ordinary lead differed from lead produced from the radioactive decay of uranium and thus concurred with Soddy's prediction of isotopes. Richard's values were not improved until mass spectrometry became available after WW II. He also carried out work in thermochemistry and electrochemistry.«
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