Добавьте класс в свой контейнер div div class="radio-groups"
и используйте ниже, чтобы проверять каждый первый переключатель
$(document).ready(function(){
$(".radio-groups").each(function() {
$(this).find("input[type='radio']").first().prop('checked', true);
});
});
См. Демонстрационную версию ниже
$(".radio-groups").each(function() {
$(this).find("input[type='radio']").first().prop('checked', true);
})
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div id="groupATypeRadio" class="radio-groups">
<span class="font-small pull-left marRight5">1</span>
<input type="radio" class="marRight5 pull-left" name="groupA" id="" value="">
<input type="radio" class="marRight5 pull-left" name="groupA" id="" value="">
<input type="radio" class="marRight5 pull-left" name="groupA" id="" value="">
<input type="radio" class="marRight5 pull-left" name="groupA" id="" value="">
</div>
<div id="groupBTypeRadio" class="radio-groups">
<span class="font-small pull-left marRight5">2</span>
<input type="radio" class="marRight5 pull-left" name="groupB" id="" value="">
<input type="radio" class="marRight5 pull-left" name="groupB" id="" value="">
<input type="radio" class="marRight5 pull-left" name="groupB" id="" value="">
<input type="radio" class="marRight5 pull-left" name="groupB" id="" value="">
</div>
<div id="groupCTypeRadio" class="radio-groups">
<span class="font-small pull-left marRight5">3</span>
<input type="radio" class="marRight5 pull-left" name="groupC" id="" value="">
<input type="radio" class="marRight5 pull-left" name="groupC" id="" value="">
<input type="radio" class="marRight5 pull-left" name="groupC" id="" value="">
</div>