Question

if an increase in quantity brings about corresponding decrease in other and vice - versa than the two quantity vary ​

Answer 1

Answer:

If two quantities are related in such a way that an increase in one quantity leads a corresponding increase in the other and vice versa, then this is a ease of direct variation. Also, a decrease in one quantity brings a corresponding decrease in the other.

Answer 2

Answer:

If two quantities are related in such a way that an increase in one quantity leads a corresponding increase in the other and vice versa, then this is a ease of direct variation. Also, a decrease in one quantity brings a corresponding decrease in the other.