A Juz' of the Qur'an is sub-divided into the following except
The reign of Caliph Uthman b. Affan is known for
Imam Bukhari is to 870 C.E. as Imam Muslim is to
The number of rak'ah in the obligatory prayers of Friday is
How many times does the word al-Qadr occur in Qur'an chapter 97?