What is the order of a matrix? / » Mathematical Tools for Economics 1 solved MCQs / By admin Question: What is the order of a matrix? A. number of rows x number of columns B. number of columns x number of rows C. number of rows x number of rows D. number of columns x number of columns Answer» a. number of rows x number of columns Note: The above multiple-choice question is for all general and Competitive Exams in India.