It is impossible to send values from all selects, only the value of the first select comes to the server
<select type="text" name="n1"> <option value="1">Да</option> <option value="0">Нет</option> </select> <select type="text" name="n2"> <option value="1">Да</option> <option value="0">Нет</option> </select> <select type="text" name="n3"> <option value="1">Да</option> <option value="0">Нет</option> </select>