142. 13 and 31 is a strange pair of numbers such that their squares 169 and 961 are also mirror images of each other. Can you find two other such pairs? 142. 13 and 31 is a strange pair of numbers such that their squares 169 and 961 are also mirror images of each other. Can you find two other such pairs? July 15, 2021 Category: Chapter 6 - Squares and Square Roots , Chapter 7 - Cubes and Cube Roots , Maths , NCERT Class 8 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related