Ratio and Proportion made easy Lesson 7

Variations . 2 quantities may vary with one another directly or indirectly Direct Proportion . Inverse Proportion

Variations Direct Proportion Let us consider 2quantities A and B If A increases then B increase . If A increase by x%) then B also increases . A- K (Constant)

Variations Direct Proportion Example 2 2 4

Variations Inverse Proportion Let us consider 2quantities A and B If A increases then B decrease Ax B K (Constant) .

Variations Indirect Proportion Example 2 1

Variations oint variation If B increases and C remains constant then A varies directly with B If C increases and B remains constant then A varies directly with C If B and C both increases then A varies with B and C . If A remains constant then B varies inversely with C

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