57. Find the value of the letters in each of the following questions. 57. A B × A B = 6 A B 57. Find the value of the letters in each of the following questions. 57. A B × A B = 6 A B August 11, 2021 Category: Chapter 16 - Playing with Numbers , Maths , NCERT Class 8 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related