what is direct variation

If two variables vary in a proportional manner, it is called direct variation. For example, if y = k*x, it means that as x increases, even y will increase proportionally. This is called direct variation

I buy the package for 1 yr. While I am buying it shows that I can access all mocks for any number of times for 1 yr. But it was giving only one free and remaining all PREMIUM. I don't understand what is HAPPENING?

Hi Syed, You have access to all the mocks. Please let me know where you are facing the issue. You can send us the details on mail to support@cracku.in