**Course: CA Foundation; Topic: Ratio**

**Learning Objective:**

**How to solve word problem relating to ratios and earnings?**

**Concept:**

**A ratio is a comparison of the sizes of two or more quantities of the same kind by division.****Both the terms of a ratio can be multiplied or divided by the same non-zero number.****Usually a ratio is expressed in lowest terms.****The order of the terms in a ratio is important.****Ratio exists only between quantities of the same kind. Quantities to be compared must be in same units.****To compare two ratios, convert them into equivalent like fractions.**

**Exercise 1A, Question 18, CA Foundaton Study Material**

**Question: P, Q and R are three cities. The ratio of average temperature between P and Q is 11 : 12 and that between P and R is …?**

**𝐎𝐩𝐭𝐢𝐨𝐧 (𝐀) : (22 : 27)****𝐎𝐩𝐭𝐢𝐨𝐧 (𝐁) : (27 : 22)****𝐎𝐩𝐭𝐢𝐨𝐧 (𝐂) : (32 : 33)****𝐎𝐩𝐭𝐢𝐨𝐧 (𝐃) : None of these**