<div class="isMulti">
<label class="container">
<input type="radio" name="isMulti" value="single" checked="">
<span class="point"></span>
</label>
<div>Single answer</div>
</div>
<div class="isMulti">
<label class="container">
<input type="radio" name="isMulti" value="multi">
<span class="point"></span>
</label>
<div>Multi answer</div>
</div>
$(document).ready(function {
$('.isMulti').click(function() {
$(this).find('input').prop('checked', true);
});
});