CBSE Notes for Direct and Inverse Proportions Class 8 Extra Questions
The value of a variable is not constant and keeps on changing. There are many quantities whose value varies as per the circumstances. Some quantities have u relation with oilier quantities such that when one changes the other also changes. Such quantities are inter-redated. This is gilled a variation. Variation is of two types: (i) Direct variation and (ii) Inverse variation. Please refer Direct and Inverse Proportions Class 8 Extra Questions for more information.
CBSE Revision Notes 