Two matrices A and B are multiplied to get AB if / » Mathematical Tools for Economics 1 solved MCQs / By admin Question: Two matrices A and B are multiplied to get AB if A. both are rectangular B. both have same order C. no of columns of a is equal to columns of b D. no of rows of a is equal to no of columns of b Answer» d. no of rows of a is equal to no of columns of b Note: The above multiple-choice question is for all general and Competitive Exams in India.