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What is the father doing now?

The mother is 21 years older than the son, and in 6 years time she will be 5 times as old as the son. What is the father doing now?

Correct answers: 18

The first user who solved this task is Sanja Šabović.

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A Puzzle for Darwin

On the sixth day, God created the platypus. And God said: Let's see the evolutionists try and figure this one out.

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Edward Murray East

Died 9 Nov 1938 at age 59 (born 4 Oct 1879). American plant geneticist, botanist, agronomist, and chemist, who contributed to genetic theory and to the development of hybrid corn (maize) by applying inbred strain breeding. This was a revolutionary method of seed production and improved corn crops around the world. He analyzed the protein and fat content of corn to increase its nutritional value as animal feed. East studied the genetics and breeding not only of corn, but also tobacco and potatoes. He independently discovered the phenomenon later called "multiple factors" that gives a Mendelian interpretation for "blending inheritance." He also made important studies of self- and cross-incompatibility, heterosis, cytoplasmic heredity, and hybridization.«

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