The counter 10冊 is used for counting: 10 books/magazines (bound volumes) (Category: 冊 (satsu) - Bound volumes, JLPT N4). 十 (juu) contracts with 冊 (satsu) to form 'jussatsu' (historically also 'jissatsu').
Context Example
漫画を10冊持っています。
Manga o jussatsu motte imasu.
I have ten manga books.
Which counter represents "10 books/magazines (bound volumes)"?
Correct! 🎉
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