## 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 15, CA Foundaton Study Material

### Question: Division of ₹ 324 between X and Y is in the ratio 11 : 7. X & Y would get Rupees …?

𝐎𝐩𝐭𝐢𝐨𝐧 (𝐀) : (204, 120)

𝐎𝐩𝐭𝐢𝐨𝐧 (𝐁) : (200, 124)

𝐎𝐩𝐭𝐢𝐨𝐧 (𝐂) : (180, 144)

𝐎𝐩𝐭𝐢𝐨𝐧 (𝐃) : None of these

### Solution Video:

### Exercise 1A, Question 16, CA Foundaton Study Material

### Question: Anand earns ₹ 80 in 7 hours and Pramod ₹ 90 in 12 hours. The ratio of their earnings is …?

𝐎𝐩𝐭𝐢𝐨𝐧 (𝐀) : (32 : 21)

𝐎𝐩𝐭𝐢𝐨𝐧 (𝐁) : (23 : 12)

𝐎𝐩𝐭𝐢𝐨𝐧 (𝐂) : (8 : 9)

𝐎𝐩𝐭𝐢𝐨𝐧 (𝐃) : None of these

### Solution Video:

### Exercise 1A, Question 24, CA Foundaton Study Material

### Question: Daily earnings of two persons are in the ratio 4:5 and their daily expenses are in the ratio 7 : 9. If each saves ₹ 50 per day, their daily incomes in ₹ are...?

𝐎𝐩𝐭𝐢𝐨𝐧 (𝐀) : (40, 50)

𝐎𝐩𝐭𝐢𝐨𝐧 (𝐁) : (50, 40)

𝐎𝐩𝐭𝐢𝐨𝐧 (𝐂) : (400, 500)

𝐎𝐩𝐭𝐢𝐨𝐧 (𝐃) : None of these