Direct and Inve...

If ‘A’ can finish a work in ‘n’ days then part of work finished in 1 day is:

If an increase in one quantity brings about a corresponding decrease in the other and ice versa, then the two quantities vary:

“If speed is more than time to cover a fixed distance would be less”. This is a ease of:

Which of the following is not a case of direct variation?

Which of the following is ease of direct variation;