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Rekha Bapodra

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last 3 solved tasks
Identify the pattern to find the missing number.

Elmer McCollum

Died 15 Nov 1967 at age 88 (born 3 Mar 1879).American biochemist who originated the letter system of naming vitamins. He discovered vitamins A, B and worked with others on vitamin D. He performed extensive research work in nutrition and growth. He was the first in the U.S. to establish a colony of white rats as laboratory animals to be the subject of his nutrition experiments. In the 1910's, he recognized that a healthy diet required certain fats, and he named the essential component "fat-soluble A," as distinct from another he named "water-soluble B." Although at first he thought each was a single compound, he later showed that they were in fact complexes. He researched how certain minerals were important as nutrients, including calcium, phosphorus, fluorine, manganese and zinc.«

Imagination

Several weeks after a young man had been hired, he was called into the personnel manager's office.

“What is the meaning of this?” the manager asked. “When you applied for the job, you told us you had 5 years' experience. Now we discover this is the first job you've ever had.”

“Well,” the young man said, “in your ad you said you wanted somebody with imagination.”

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