Below code is perfectly workd for me:
$(document).ready(function(){_x000D_
$('input[type="radio"]').click(function(){_x000D_
var inputValue = $(this).attr("value");_x000D_
var targetBox = $("." + inputValue);_x000D_
$(".box").not(targetBox).hide();_x000D_
$(targetBox).show();_x000D_
});_x000D_
});
_x000D_
.box{_x000D_
color: #fff;_x000D_
padding: 20px;_x000D_
display: none;_x000D_
margin-top: 20px;_x000D_
}_x000D_
.red{ background: #ff0000; }_x000D_
.green{ background: #228B22; }_x000D_
.blue{ background: #0000ff; }_x000D_
label{ margin-right: 15px; }
_x000D_
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>_x000D_
<div>_x000D_
<label><input type="radio" name="colorRadio" value="red"> red</label>_x000D_
<label><input type="radio" name="colorRadio" value="green"> green</label>_x000D_
<label><input type="radio" name="colorRadio" value="blue"> blue</label>_x000D_
</div>_x000D_
<div class="red box">You have selected <strong>red radio button</strong> so i am here</div>_x000D_
<div class="green box">You have selected <strong>green radio button</strong> so i am here</div>_x000D_
<div class="blue box">You have selected <strong>blue radio button</strong> so i am here</div>
_x000D_