What kind of book is this?
Prefix used before a counter to ask about quantity. Followed by a counter word.
See also: 何ヶ月
この箱にはリンゴが何個入っていますか。
How many apples are in this box?
Prefix used with a counter and も to express a large indefinite quantity. Often implies 'many times' or 'for many days'.
彼には何度も注意した。
I warned him many times.
何日も雨が降り続いている。
It has been raining for many days.
What is this?
I've been studying Japanese for many years.
I borrowed a few books from the library.
What kind of movie do you want to watch?
really; very; extremely · (not) at all; (not) anything; (not) a bit
something or other; one thing or another; this and that
what!; oh! · what the heck; what the; damn
what; how · what a ...!; how ...! · surprisingly; believe it or not; to one's amazement · wow; oh my · well, ...; so, ...
(not) in any way; (not) at all; (none) whatsoever · what kind of
what the hell; oh no!; damn!
(not) anything; (nothing) at all; (not) any
what time; which hour
how much; how many; how; to what extent · however (much); no matter how · what matters is ...; it all comes down to ...; nothing beats ...
anything and everything; all sorts of things · by all means; at any cost
how many minutes; what minute
what a ...!; how ...! · what ... is like; the nature of ...
how many (large animals)
how ...!; what ...! · what?; what's that?
how many people; a number of people
how many; how many pieces
tens; dozens; scores
many thousands; thousands of
how many times
how many times; how often · how many degrees
what day; which day · how many days
what month
how old; what age