Código PHP:
<html>
<head>
<title></title>
</head>
<body>
<form method="GET">
<p>Eres hombre</p>
<p><input type="radio" name="R1" value="V1">Si <input type="radio" name="R1" value="V2">No</p>
<p>Que comes</p>
<p><input type="radio" name="R2" value="V1">Pizza <input type="radio" name="R2" value="V2">Enchiladas</p>
<p>Marca de carro</p>
<p><input type="radio" name="R3" value="V1">Toyota <input type="radio" name="R3" value="V2">Nissan</p>
<p><input type="submit" value="Enviar"></p>
</form>
</body>
</html>