What is an example of a Surah that Prophet Muhammad (saw) used to recite on Fridays during the Fajr prayer?
 Narrated Abu Huraira:                     On Fridays the Prophet used to recite Alf Lam Mim Tanzil-As-Sajda (in the first rak`a) and Hal ata'alal-lnsani i.e. Suratad-Dahr (LXXVI) (in the second rak`a), in the Fajr prayer.