The depth of Mariana Trench is …? A) 11,110 m B) 10,611 m C) 10,550 m D) 10,900 m Related MCQs: The Mariana trench is in ………country ? Mariana trench also known as Challenger deep. It is located in the ….ocean? The depth of Zamzam well is…? The depth of Zam Zam well is?