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# How to find daily earnings if each saves Rs. 50 and their daily earnings are in ratio 4 : 5 and ...?

## Topic : Ratio

### Learning Objective:

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

### Concepts:

• 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.

### Question 24:

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

### Video Solution: Tags:

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