## Course: CA Foundation; Topic: Ratio

### Learning Objective:

What is an inverse ratio?

### Concept:

The inverse ratio of a : b is b : a

### Exercise 1A, Question 1, CA Foundaton Study Material

### Question: The inverse ratio of 11 : 15 is

𝐎𝐩𝐭𝐢𝐨𝐧 (𝐀) : 15 : 11

𝐎𝐩𝐭𝐢𝐨𝐧 (𝐁) : √11 : √15

𝐎𝐩𝐭𝐢𝐨𝐧 (𝐂) : 121 : 125

𝐎𝐩𝐭𝐢𝐨𝐧 (𝐃) : None of these

### Solution Video:

### Exercise 1A, Question 3, CA Foundaton Study Material

### Question: The ratio of the quantities is 5 : 7. If the consequent of its inverse ratio is 5, the antecedent is …?

𝐎𝐩𝐭𝐢𝐨𝐧 (𝐀) : 5

𝐎𝐩𝐭𝐢𝐨𝐧 (𝐁) : √5

𝐎𝐩𝐭𝐢𝐨𝐧 (𝐂) : 7

𝐎𝐩𝐭𝐢𝐨𝐧 (𝐃) : None of these