What is the missing number?
[5756] What is the missing number? - What is the missing number? - #brainteasers #math #riddles - Correct Answers: 93 - The first user who solved this task is Chandu Rajyaguru
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What is the missing number?

What is the missing number?
Correct answers: 93
The first user who solved this task is Chandu Rajyaguru.
#brainteasers #math #riddles
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My wife is an angel

My wife is an angel.

All my friends are jealous because their wives are still alive.

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L. L. Thurstone

Died 29 Sep 1955 at age 68 (born 29 May 1887).L(ouis) L(eon) Thurstone was an American psychologist who improved psychometrics, the measurement of mental functions, and developed statistical techniques for multiple-factor analysis of performance on psychological tests. In high school, he published a letter in Scientific American on a problem of diversion of water from Niagara Falls; and invented a method of trisecting an angle. At university, Thurstone studied engineering. He designed a patented motion picture projector, later demonstrated in the laboratory of Thomas Edison, with whom Thurstone worked briefly as an assistant. When he began teaching engineering, Thurstone became interested in the learning process and pursued a doctorate in psychology.
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