Ratio & Proportion Basics (Part 1) JKSSB free online classes. Jammu and Kashmir Free online classes. This Topic of Ratio & proportion is in the syllabus of JKSSB Upcoming Exams: Ratio & proportion is in the Syllabus of the following Posts: 1. Written Test (Objective Type) Jr. Scale Stenographer/ Jr Stenographer/ Jr Assistant 2. Written