Selina Concise Mathematics Class 10 ICSE Solutions Ratio and Proportion (Including Properties and Uses) Selina Publishers Concise Mathematics Class 10 ICSE Solutions Chapter 7 Ratio and Proportion (Including Properties and Uses) Ratio and Proportion Exercise 7A – Selina Concise Mathematics Class 10 ICSE Solutions Question 1. Solution: Question 2. If x: y = 4: 7, […]