gistfile1.rb

#controller
def new
@questions = Array.new(3) {Question.new}
respond_to do |format|
format.html # new.html.erb
format.xml { render :xml => @question }
end
end
def create
@questions = params[:questions].values.collect { |question| Question.new(question) }
if @questions.all?(&:valid?)
@questions.each(&:save!)
redirect_to :action => 'index'
else
render :action => 'new'
end
end
#view
<%= form_tag :action => 'create' %>
<% @questions.each_with_index do |question, index| %>
<%= fields_for "questions[#{index}]", question do |f| %>
Name: <%= f.text_field :name %>
<%= f.submit %>
<% end %>
<% end %>
<%= form_tag %>