いくつ
(Ikutsu)
how many / how old.
Connection rules
- ＋いくつ (as standalone question word). For polite age: お + いくつ.
- ＋General 'how many' — most common with unspecified small objects.
- ＋For asking age politely: おいくつですか.
Examples
1.
りんごはいくつありますか。
Ringo wa ikutsu ari masu ka.
How many apples are there?
「how many / how old」
2.
おいくつですか。
O ikutsu desu ka.
How old are you? (polite)
「how many / how old」