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MATH PUZZLE: Can you replace...

MATH PUZZLE: Can you replace the question mark with a number?

Correct answers: 269

The first user who solved this task is Rutu Raj.

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What Is It Like To You?

Mortal: What is a million years like to you?
God: Like one second.
Mortal: What is a million dollars like to you?
God: Like one penny.
Mortal: Can I have a penny?
God: Just a second.

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Robert Kidston

Died 13 Jul 1924 at age 72 (born 29 Jun 1852).English paleobotanist who contributed greatly to our knowledge of Devonian plants He is noted for his discoveries and descriptions of plant fossils from the Devonian period (408 to 360 million years ago). An outstanding and respected scholar, he cataloged Paleozoic plants for many world-class institutions, including the British Museum. His work included excavating at Rhynie, Aberdeenshire, Scotland (from 1917) in the most famous plant fossil assemblage representing an early terrestrial ecosystem, preserved in the so-called Rhynie chert of early Devonian age. The chert is a silicified matrix of a swampy peat bed that contains plant remains and other organisms such as arthropods and fungi as a fossilized subterranean ecosystem.

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