How do you say 40th in Japanese?

Answer 1

Number: yon-juu-ni (pronounce like "yohn-joo-knee")

よんじゅうに　（Hiragana)

四十二　（Kanji)

Age: yon-juu-ni-sai (" "- "sigh")

よんじゅうにさい

四十二才

It depends on what the number is for as to what the character on the end is. Eg. for "42 people", add "nin" to the end, and for "number 42", add "ban" to the end.

Answer 2

San ju ni

san (3)

ju (10) added after numbers to form 10-20s etc.

ni (2)

Answer 3

四十八 /yon juu ha chi/ is Japanese for '48'.

Answer 4

It can be written 四十九, or written in English characters, "yonjuukyuu."