63. If x varies inversely as y and x = 20 when y = 600, find y when x = 400. 63. If x varies inversely as y and x = 20 when y = 600 find y when x = 400. August 5, 2021 Category: Chapter 13 - Direct and Inverse Proportions , Maths , NCERT Class 8 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related