Weekly Mind Bender

A number of pages were torn out of a book.  The pages had the following page numbers on them:

7, 8, 100, 101, 222 and 223

How many pages in total were torn from the book?

5 Pages

Page 1 starts on the right hand side, and page 2 is printed on the back.  Therefore, any two consecutive odd-even numbered pages will fall on the same page while two consecutive even-odd pages will fall on two different consecutive pages.


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