PPSC Assistant In Punjab Police Department 2020, Islamic Studies MCQs, PPSC Solved Past Papers MCQsWho was the first muadhin of Islam?A. Hazrat Bilal B. Hazrat Umer C. Hazrat Usman D. Hazrat Abubakar Ching Ping Dam is located in?Fill in the correct preposition: “I will be ready __ the time you get here”?