The following conditional tags marked with blue just before and after to hide the widget from specific pages in Blogger. For instance, if you want:
Showing Blogger widget only in post pages
<b:if cond="data:blog.pageType == "item""></b:if>
<!-- Here Is Your Content that you want to show on Post Pages -->
</b:if>
Another Way to Show Blogger widget only in Pages
<b:if cond="data:view.isPage"></b:if>
<!-- Here Is Your Content that you want to show on Pages -->
</b:if>
Another Way to Show Blogger widget only in Post
<b:if cond="data:view.isPost"></b:if>
<!-- Here Is Your Content that you want to show on Post-->
</b:if>
Hiding Blogger widget in post pages
<b:if cond='data:blog.pageType!= "item"'>
<!-- Here is your content that you want to hide on post Pages -->
</b:if>