いくつ（いくつ）— how many; how old
椅子 は いくつ ありますか。
How many chairs are there?
いくついくつ
how many; how old
いくつ
accent [1]In detail
Words
椅子isuchairs
はwa(topic marker)
いくつikutsuhow many
ありますarimasuexists; is present
かka(question marker)
いくつ asks how many items there are. It is also used to ask age, often politely as おいくつですか.
Coco-sensei