[Rails] Radio buttons

[Reva]

hi
i m new to rails and i m facinga problem with radio buttons. i need to
create a portal with multiple choice question. i m using html here.
once i submit the answer the page is getting refreshed and the
selected radio button is also refreshed. and is show a page with no
radio button selected.

 <form>
<br>
 <input type="radio" name="radios1"
onclick="this.parentNode.submit();"  value="<%=@abc.a%>"><%=@abc.a
%><br>
 <input type="radio" name="radios1"
onclick="this.parentNode.submit();" value="<%=@abc.b%>"><%=@abc.b%>
<br>
 <input type="radio" name="radios1"
onclick="this.parentNode.submit();" value="<%=@abc.c%>"><%=@abc.c%>
<br>
<input type="radio" name="radios1" onclick="this.parentNode.submit();"
value="<%=@abc.d%>"><%=@abc.d%> <br>
<br>
<br>
<br>
<input type="submit">
</form>

please do give me a solution  for this

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