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The decades of the twentieth century

The decades of the twentieth century

Of the 10 decades of the twentieth century that range from the 1900-1909 to the 1990-1999 decade, only one of the decades does not contain any divisible year by 11.

Guess which one?

Solution

The only decade that has no divisible year between 11 is the one that goes from 1970 to 1979.