Really, there are only three requirements to be elected (or appointed as a temporary office-holder) to the US House of Representatives:
Be a noob
10 years
Many countries have a "House of Representatives". Please clarify what country you are talking about.
to be a representative in the house of representatives, you must be at least 25 years old and live in the state you are representing.
You have to be at least 25 years old.
To answer this question you need to tell us the qualification wanted
Tennessee has 9 representatives in the US House of Representatives
Colorado has 7 US Representatives.
North Dakota has one US Representative for the state in the US House of Representatives. The North Dakota State House of Representatives has 94 representatives.
There are 15 Michigan Representatives in the US House of Representatives. There are 110 Representatives in the Michigan House of Representatives.
Arizona has 60 State Representatives and 8 US Representatives.
There is a complete list of US Representatives by state at the Related Link below.