Direct and Inverse Proportions

Concept of Direct Proportion

This video explains the concept of  Direct Proportion. Two quantities x and y are said to be in direct proportion if they increase (decrease) together in such a manner that the ratio of their corresponding values remains constant.

Direct Proportions Example

This video illustrates how to solve direct proportions.

Concept of Inverse proportions

This video explains the concept of InverseProportion. Two quantities x and y are said to be in inverse proportion if an increase in x causes a proportional decrease in y (and vice-versa) in such a manner that the product of their corresponding values remains constant.

Inverse proportions Example

This video illustrates how to solve Inverse proportions.

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