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# Class 6 NCERT Solutions Maths Chapter 12 - Ratio and Proportion

## Ratio and Proportion Exercise Ex. 12.3

### Solution 1

Cost of 7m cloth = Rs. 1470

Cost of 1m cloth =

Therefore the cost of 5m cloth = 210 × 5 = Rs. 1050

### Solution 2

Money earned in 10 days = Rs. 3000

Money earned in 1 day =

Money earned by Ekta in 30 days = 300 × 30 = Rs. 9000

### Solution 4(a)

Cost of 5 kg wheat = Rs. 91.5

Cost of 1kg wheat =

the cost of 8kg of wheat = 18. 3 × 8 = Rs. 146.4

### Solution 4(b)

Wheat purchased in Rs. 91. 5 = 5 kg

Wheat purchased in Re. 1 =

the quantity of wheat can be purchased in Rs. 183 =

### Solution 6

Rent for 3 months = Rs. 15000

Rent for 1 month =

So, rent for a whole year(12 months) = 5000 × 12 = Rs. 60,000

Therefore Shaina has to pay Rs. 60,000 for a whole year.

### Solution 7

Number of bananas in Rs. 180 = 4 dozen = 4 × 12 = 48

Number of bananas bought in Re. 1 =

So, the number of bananas bought in Rs. 90 =

Therefore 24 bananas can be purchased for Rs. 90.