78. If a and b vary inversely to each other, then find the values of p, q, r ; x, y, z and l, m, n. -q 78. If a and b vary inversely to each other m n r ; x then find the values of p y z and l August 5, 2021 Category: Chapter 13 - Direct and Inverse Proportions , Maths , NCERT Class 8 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related