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Colleen Atkinson

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last 3 solved tasks
The computer chose a secret code (sequence of 4 digits from 1 to 6). Your goal is to find that code. Black circles indicate the number of hits on the right spot. White circles indicate the number of hits on the wrong spot.
What is the '?'?

Samuel Warren Carey

Died 20 Mar 2002 at age 90 (born 1 Nov 1911). Australian geologist who contributed a model of an expanding earth in support of Alfred Wegener's concept of moving continents. Carey's ideas were a prelude to, and replaced by, the present theory of plate tectonics.

There is no language wherein a double positive can form a negative

A linguistics professor was lecturing to his English class one day. β€œIn English,” he said, β€œa double negative forms a positive.

In some languages, though, such as Russian, a double negative is still a negative.

However, there is no language wherein a double positive can form a negative.”

A voice from the back of the room piped up, "Yeah, right."

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