Which of the following is the state variable?

A system goes from $A$ to $B$ via two processes $I$ and $\mathrm{II}$ shown in the figure. If $\Delta U_1$ and $\Delta U_2$ are the changes in internal energies in the processes I and Il respectively

Consider the following thermodynamical variables
(i) Pressure
(ii) Internal Energy
(iii) Volume
(iv) Temperature

Out of these, the intensive variable(s) is (are)

Which of the following is isentropic process

The graph for Boyle's law is called

Consider the following thermodynamic variables:
(i) Pressure
(ii) Internal Energy
(iii) Volume
(iv) Temperature

Out of these, the intensive variable(s) is (are):

Which is intensive property?

By what percentage should the pressure of the given mass of gas be increased so to decrease its volume by $10\%$ at a constant temperature?