73. The mass of an aluminium rod varies directly with its length. If a 16 cm long rod has a mass of 192 g, find the length of the rod whose mass is 105 g. 73. The mass of an aluminium rod varies directly with its length. If a 16 cm long rod has a mass of 192 g find the length of the rod whose mass is 105 g. August 5, 2021 Category: Chapter 13 - Direct and Inverse Proportions , Maths , NCERT Class 8 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related