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How many? (used to ask about quantity)
りんごはいくつありますか？
How many apples are there?
いくつの本を読みましたか？
How many books did you read?
Used in both formal and informal contexts to ask about the number of items.
Use 'いくつ' with appropriate counters (e.g., 'いくつの本' for books, 'いくつのりんご' for apples).
In formal contexts, use 'いくつありますか' or 'いくつですか', while in informal contexts, 'いくつあるの' or 'いくつ?' is common.
Derived from the combination of 'いく' (to go) and 'つ' (counter for small objects), originally used to count small items.
Can be used with various counters depending on the object being counted (e.g., 'いくつの' for general counting, 'いくつか' for 'some').