Ratio and Proportion made easy - Lesson 1

What is a ratio? Let us consider the following Item a : Item b- ay bi 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

What is a ratio? Milk : water 7:3 The numbers that form the ratio are known as the terms of the ratio . The above ratio can also be written as 2- Antecedent 7 3 Consequent Ratio can be of of homogeneous quantities and heterogeneous quantities

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-) No units Water 3 ml

What is a ratio? Ratio for heterogeneous quantities Example A car moves 30 Kms in 10 minutes. What is the speed of the car? 30KM Speed istac30M (Hen - 3Km/min (Hence there is a unit) Time 10 Minutes

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: Mille-X 100-7 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?

Thank You Arka Roy

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