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Ratio and Proportion - Lesson 1
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1. Ratio and Proportion made easy - Lesson 1

2. What is a ratio? Let us consider the following Item a Item b a b Example : In a jar there is a mixture of milk and water. The mixture is made out of 700ml milk and 300 ml water. What is the ratio of milk to water? Milk: water 7:3

3. What is a ratio? Milk: water 7:3 The numbers that form the ratio are known as the terms of the ratio 7 Antecedent The above ratio can also be written as 3 Consequent Ratio can be of of homogeneous quantities and heterogeneous quantities

4. What is a ratio? Ratio for homogeneous quantities Example : In a jar there is a mixture of milk and water. The mixture is made out of 700ml milk and 300 ml water. What is the ratio of milk to water? Milk 7 ml Water 3 ml No units

5. What is a ratio? Ratio for heterogeneous quantities Example : A car moves 30 Kms in 10 minutes. What is the speed of the car? Distance 30KM - 3Km/min (Hence there is a unit SeedTime 10 Minutes

6. Ratio Percentages Example: In a jar there is a mixture of milk and water. The mixture is made out of 700ml milk and 300 ml water Solution: Mills x 100 2 x 100-233.33% Water i) Milk Solution -X 100-_ X 100-70% i) Milk is what percentage of 7+3 the water? ii) What is the percentage content of milk in the solution?

7. Thank You Arka Roy