To be considerate to your fellow members, please do not flood the forum with too many posts at once.
Up to 3 new posts in a hour is very good etiquette - lesser the better. Another good etiquette is to answer a couple of questions first before posting a new question.
All these are simple steps to ensure that everyone gets to ask their questions and have a chance to get them answered.
Also, please:
Do not post OA with the question. Give time for some discussion.
Post the practice questions in PS or DS subsections accordingly.
Thank you.