Asr:
i) Four rakat sunnat ghair Muakkadah (Optional but spiritually beneficial)
ii) Four rakat Fard
The Witr prayer consists of three rakats.
In luha prayer its minimum Four rakats and maximum Eight rakats
During the Friday prayer, Muslims perform 2 rakats.
4 sunnat, 2 farzz, 4 sunnat again 2 sunnat and last 2 nafal
The Zuhr prayer consists of four rakats (units of prayer) that are performed after the sun has passed its zenith. It is one of the five daily prayers in Islam and is typically offered in a quiet, contemplative manner. After the four rakats, it is customary to perform two additional sunnah rakats, though these are not obligatory.
Asr prayer ends at sunset.
The Asr prayer time starts when the shadow of an object is equal to its length, typically in the afternoon.
In Islamic prayer (salah), the number of rakats can vary depending on the time of day and the type of prayer being performed. The stages of rakats generally include standing, bowing (ruku), prostrating (sujood), and sitting. Each rakat consists of a specific sequence of these stages.
they are 4 Rakats. Since Juumah is the name for the Friday congregational prayer that is prayed during the Asr praying time. You pray four Rakats quietly to yourself but move in time with the whole congregation according to the Iman (Prayer Leader) who prays out loud. It is the same for Men and Women. Whenever you go to a Mosque to pray it is advised that before you pray your regular prayers, you pray two Rakat for the mosque asking blessings for the mosque and such.
A rakat can be said to be a" round" of prayer. The word denotes " bowing". The bowed down position in prayer is called ruku. You are said to have offered 2 RAKATS of prayer when your prayers have two rukus or bowing down in them. The dawn prayer is of two rakats or rounds . the night prayer consists of four. Hope you are satisfied
Usually two (2) rakats
Use this link http://www.inter-islam.org/Actions/Part8.html#Namaaz%20Chart