29. On increasing a, b increases in such a manner that a/b remains______ and positive, then a and b are said to vary directly with each other. 29. On increasing a b increases in such a manner that a/b remains______ and positive then a and b are said to vary directly with each other. August 5, 2021 Category: Chapter 13 - Direct and Inverse Proportions , Maths , NCERT Class 8 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related