Number of pages in 15 chapter is '615 pages'.
Given that;
Mean length of chapter = 41 page
Number of chapter = 15 chapter
Find:
Number of pages in 15 chapter
Computation:
Number of pages in 15 chapter = Mean length of chapter × Number of chapter
Number of pages in 15 chapter = 41 × 15
Number of pages in 15 chapter = 615 pages
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